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All About The Spinal Cord and Its Importance

Updated on September 6, 2014
The spinal cord is a long cable-like structure made up of hundreds of nerve fibers, which is approximately 17 inches (42 cm) long.
The spinal cord is a long cable-like structure made up of hundreds of nerve fibers, which is approximately 17 inches (42 cm) long.
reflex arc
reflex arc

Spinal cord

“No one can ever use his heart to listen or touch or feel or see or smell. It's just a lump of muscle pumping mechanically inside your ribs. It has no will and no ability to do anything but go on pumping until it gives up and withers away or is choked by some disease. Your spinal cord, on the other hand, feels. The central nervous system pours out from the spinal cord, and with it one feels pain. Pain is the most trustworthy sensation a human being can know because it teaches us what hurts. With the spinal cord, one can hear what will hurt, smell the sting of suffering, taste it, feel it, and see the world with new eyes. I learned a long time ago not to follow my heart, the hunk of meat flexing in the chest. I trust the tube locked up in a column of bone, the tube that shows me what pain is.” - Joshua S.Porter, The Spinal Cord Perception

Almost all the sensory and motor nerves that activate the muscles extend from the spinal cord. The cord is a long cable-like structure made up of hundreds of nerve fibers, which is approximately 17 inches (42 cm) long. It is suspended in the bony canal formed by the long string of vertebral, bashed by a clear fluid called the spinal fluid and enclosed within the vertebral column. The cord runs up the spine and through the opening of the bottom of the cranium where it expands and becomes the brain. It extends from the foramen magnum of the skull to the first and second lumber vertebra. It provides a two-way conduction pathway to and from the brain. It is also a major reflex center where the spinal reflexes are completed.

The spinal cord is covered by three meninges: the dura mater which is the outermost, the arachnoid membrane and the innermost is the pia mater. These meninges are continuous with that in the brainstem and cerebral hemispheres, with cerebrospinal fluid found in the subarachnoid space.

Nerve Impulses

The cells that make up the nervous system are called neurons. All cells react to stimulation, but none in the unusual way that neurons do. Neurons are capable of transmitting an impulse to its neighboring cell. The billions of neurons packed together into the nerve paths deliver a message to the brain in the following way. The impulse travels rapidly in one direction; each neuron disturbing the next one along the route of a sensory nerve until the section of the concerned organ or body part is informed. The response is flashed back in identical manner through a motor nerve to the muscles it activates. The first neuron in a sensory nerve that is stimulated starts a chain reaction that ends with the contraction of a muscle through a motor nerve.

Functions of the spinal cord

The functions of the spinal cord can be divided into three categories:

  1. Reflex activities/Reflex Action (reflex arc)

Some messages that the sensory nerves send to the brains are marked urgent. They are the messages of pain. All over the surface of our body are sensory nerves on the look out for anything that might hurt us. When the point of a pin pricks our finger, the nerve that carries the messages of pain to the brain does not wait to see if the brain is busy doing anything else. It demands that the message be answered immediately. The call for help is answered by way of the motor nerves, and the muscles of the hand snap the finger away from the pin. These actions are not planned; they are called reflex arc/reflex action. Most reflex actions are the result of an excited sensory nerve calling a motor nerve to its aid. In many cases the message goes no further than the spinal cord, where the connection between sensory and motor nerves takes place. Some reflex actions occur through the brain. Through one of the five senses we blink, jump or bring some other motor response into action. The reflex mechanism of the brain and the spinal cord is alert even when we are asleep. It is always protecting and warning us.

2. Conduction of sensory impulses is upward through ascending tracts to the brain.

3. Conduction of motor impulses is from the brain down through descending tracts to the efferent neurons that supply muscles or glands.

Spinal Nerve Roots

Spinal Nerve Roots
Spinal Nerve Roots

Spinal Nerves

In humans, 31 pairs of spinal nerves arise from the cord and exit from the vertebral column to serve the body area close by. It is about the size of a thumb for more of its length.

8 cervical segments
12 thoracic segments
5 lumbar segments
5 sacral segments
1 coccygeal segment

The collection of spinal nerves at the inferior end of the vertebral canal is called caudal equina. Each spinal nerve continues only a very short distance away from the spinal cord and then branches into small posterior divisions and rather large anterior divisions. The larger anterior branches interlace to form networks called plexuses, which then distribute branches to the body parts.

The three main plexuses are:

  1. Cervical plexuses supplies motor impulses to the muscles of the neck.
  2. Brachial plexus sends numerous branches to the shoulder, arm, forearm, wrist, and hand.
  3. Lumbo sacral plexus supplies nerves to the lower extremities.

Poliomyelitis
Poliomyelitis
Multiple sclerosis
Multiple sclerosis
Amyotrophic Lateral Sclerosis (ALS)
Amyotrophic Lateral Sclerosis (ALS)

Disorders of the Spinal Cord

Poliomyelitis is caused by polio virus, which enters the body through the nose and throat and multiplies in the gastrointestinal tract then travels to the CNS, possibly by way of blood. It occurs most commonly in children.

Multiple sclerosis is an extremely disabling disease, which involves the entire spinal cord and the brain. Its symptoms include weakness, tingling, numbness, muscle stiffness, thinking problems, and urinary problems.

Amyotrophic Lateral Sclerosis (ALS) is a disorder of the nervous system in which motor neurons are destroyed. It is also known as "Lou Gehrig's Disease,". ALS is a progressive neurodegenerative disease that affects nerve cells in the brain and the spinal cord.

Ice Bucket Challenge
Ice Bucket Challenge

Ice Bucket Challenge

The Ice Bucket Challenge, or the ALS Ice Bucket Challenge, is an activity which involved dumping a bucket of ice water on someone's head. This is done to promote awareness of the disease amyotrophic lateral sclerosis or ALS and to encourage donations to research. The said challenge started last July and August 2014.

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    • Guia Mananghaya profile image

      Guia Angeli Mananghaya 2 years ago from Baliuag, Bulacan

      Guia Angeli Mananghaya

      BSBA1-1

      The spinal cord originates in the brainstem and runs down through the backbone and ends in the hips. In appearance, it is grey inside and white outside. It is connected to the peripheral nervous system through 31 pairs of spinal nerves.

      The spinal cord is protected by the vertebral column, which is composed of 24 individual vertebrate of the cervical, thoracic, lumbar, the sacral and coccygeal portions.

      The internal structure of the spinal cord is much simpler and more uniform throughout its various parts than is that of the brain. No matter where it is sectioned (cut), it presents the same essential appearance. The interior is grey matter (cell bodies), so distributed as 10 present the picture of a butterfly whose essential form is the letter H. Outside the grey matter are great column of white matter making up various fibre tracts passing up and down the cord. Dividing the cord into symmetrical halves are two median clefts, the dorsal and ventral fissures. Between them, in the central parts of the cord, are the two commissars joining the two halves of the cord.

    • profile image

      Krischarm David BSBA1-1 2 years ago

      The spinal cord is important for two reasons. First, it connect the nerves of the peripheral nevouse system with the brain. Impulse reaching the spinal cord from sensory neurons travel up the cord though interneurons to the brain. Impulses from the brain are sent down the spinal cord by interneurons to motor neurons. These impluses travel through peropheral nerves to muscle and glands. Second, the spinal cord control certain reflexes, which are autonomic response.

      The peripheral nervous system is divided into two parts. One part called somatic nervous system controls voluntary activities. The autonomic nervous system usually controls the involuntary activities of the body.

    • Jairah Garcia profile image

      Jairah Garcia 2 years ago

      Jairah Garcia BSA 1-4

      Our spinal cord carries sensory impulses to the brain and motor impulses from the brain. It is the highway for signals and information.

      The relevance of it to my course is, if I know the importance of my spinal cord, I would make extra effort to protect it for me to keep the information in my body be properly sent. So I could work without problems.

    • kimberlymagtalas profile image

      Kimberly Anne DC Magtalas 2 years ago

      Kimberly Anne DC. Magtalas BSA 1-3

      Spinal Cord is important because without a spinal cord our brain and our body couldn’t communicate with each other. The spinal cord is the pathway for impulses from the body to the brain, and from the brain to the body. What if we didn't have a spinal cord? we would be paralyzed and probably wouldn't be able to move at all. And also we wouldn't be able to feel anything so the spinal cord is a super important part of the body.

    • profile image

      Levie Ignacio 2 years ago

      Ignacio, Victor Levie G. (BSA 1-3)

      The Spinal cord plays an important role in our body. It is the one that connects our Brain to the entire body. It helps the communication of nerves of our nervous system to communicate and help the reaction and reflexes of the human body. It is like a telephone line that connects the caller to the receiver. That is why without this, the brain can be useless. Just like a manager without worker or an Army without soldiers it is useless.

    • profile image

      Daisy Estanislao BSBA 1-1 2 years ago

      The spinal cord originates in the brainstem and runs down through the backbone and ends in the hips. In appearance, it is grey inside and white outside. It is connected to the peripheral nervous system through 31 pairs of spinal nerves. The spinal cord is protected by the vertebral column, which is composed of 24 individual vertebrate of the cervical, thoracic, lumbar, the sacral and coccygeal portions. The internal structure of the spinal cord is much simpler and more uniform throughout its various parts than is that of the brain. No matter where it is sectioned, it presents the same essential appearance. The interior is grey matter, so distributed as 10 present the picture of a butterfly whose essential form is the letter H. Outside the grey matter are great column of white matter making up various fibre tracts passing up and down the cord. Dividing the cord into symmetrical halves are two median clefts, the dorsal and ventral fissures. Between them, in the central parts of the cord, are the two commissars joining the two halves of the cord.

    • profile image

      sharine kate maghinay 2 years ago

      Sharine kate magjinay BsBa 1-1

      The spinal cord is a long, fragile tubelike structure that begins at the end of the brain stem and continues down almost to the bottom of the spine (spinal column). The spinal cord consists of nerves that carry incoming and outgoing messages between the brain and the rest of the body. It is also the center for reflexes, such as the knee jerk reflex

    • ismaellozano123 profile image

      John Ismael Espino Lozano 2 years ago from Baliuag Bulacan Philippines

      Lozano, John Ismael E. (BSA 1-2)

      For me our Spinal Cord is important because without a spinal cord our brain and our body couldn’t communicate with each other. The spinal cord is the pathway for impulses from the body to the brain, and from the brain to the body. These impulses are different signals our brain sends and receives from our bodies. It acts as an 'information highway' between your brain and other parts of your body. the spinal cord is so important part of our body so we should be careful of it. :)

    • profile image

      Marela Salonga 2 years ago

      Salonga, Marela Kym S. BSA 1-2

      The spinal cord is comprised of neural pathways. In order for a message to go from the brain to the body, that message, or impulse, is passed from neuron to neuron through junctions called synapses. This process continues until the message reaches its final destination, such as muscle, gland, or other non-neural cell. Your Spinal Cord is important because without a spinal cord your brain and your body couldn't communicate with each other. The spinal cord is the pathway for impulses from the body to the brain, and from the brain to the body.

    • Roldan Mercado profile image

      Roldan Mercado 2 years ago

      Mercado, Mark Roldan L.

      BSBA 1-1

      The spinal cord, every thing on our body is connected. Spinal cord to brain. The spinal cord, about 45 cm in length, It message the brain to do works to do things to cooperate. The brain is the General and the Spinal cord is his Liutenant. Like what I say every thing on our body is important. Without on of them we human can't live properly.

    • profile image

      Kate Ivy Cruz 2 years ago

      Cruz, Kate Ivy F

      BSA 1-3

      A spinal cord is the cylindrical bundle of nerve fibers and associated tissue that is enclosed in the spine and connects nearly all parts of the body to the brain, with which it forms the central nervous system. It carries out two main functions: It connects a large part of the peripheral nervous system to the brain. Information (nerve impulses) reaching the spinal cord through sensory neurons are transmitted up into the brain. As a future accountant we need to be better in communicating with others specially in our clients so our transactions or works went well.

    • profile image

      Reyes, Ma. Isabel C. BSBA1-1 2 years ago

      The Spinal cord is the centre for various reflex actions that the body performs. Spinal cord is the connecting link between the brain and spinal nerves. The enclosing bony vertebral column protects the relatively shorter spinal cord. The spinal cord functions primarily in the transmission of neural signals between the brain and the rest of the body.

    • abigail galvez019 profile image

      abigail galvez019 2 years ago

      Abigail B. Galvez BSBA 1-1

      The spinal cord is an important structure of the Central Nervous System. It is an extension of the brain and is a rough, cylindrical; two feel long structure lying within the case of the backbone.It connects the lower parts of the brain with the sensory and motor nerves from the body.Nerves from the sense receptors for heat, cold, pain, pressure and muscular activity go to the spinal cord.It is responsible for behaviour known as reflex actions. A reflex action is an automatic, involuntary response triggered by a stimulus. It mediates complex reflex actions like blinking, knee-jerk, sneezing, coughing, etc. Damage to the spinal cord leads to paralysis.Likewhat they say if your spinal cord break or damage, you can considered your body a dead,because it cannot function all,but your in contrast your brain does.

    • profile image

      Kate Ivy Cruz 2 years ago

      Cruz, Kate Ivy F.

      BSA 1-3

      Spinal cord is the cylindrical bundle of nerve fibers and associated tissue that is enclosed in the spine and connects nearly all parts of the body to the brain, with which it forms the central nervous system. It carries out two main functions: It connects a large part of the peripheral nervous system to the brain. Information (nerve impulses) reaching the spinal cord through sensory neurons are transmitted up into the brain. It's relevance in our course was as a future accountant we need to be better in communicating with others specially in our clients and this was by the help of brain and the spinal cord as the one who transfer information.

    • profile image

      Diana Angeles 2 years ago

      Angeles, Diana P.

      BSA1-4

      Spinal cord acts as bridge in the information that get from the senses. In accountancy it is like the different department. Because different department give information that must be process by the accountants for the information to be more detailed. Slight changes in the spinal cord may have the great effect in the body system. Because it is the only organ that connects in the brain.

    • profile image

      Diana Angeles 2 years ago

      Angeles, Diana P.

      BSA1-4

      Spinal cord acts as bridge in the information that get from the senses. In accountancy it is like the different department. Because different department give information that must be process by the accountants for the information to be more detailed. Slight changes in the spinal cord may have the great effect in the body system. Because it is the only organ that connects in the brain.

    • profile image

      Ellanour A. Tabula 2 years ago

      ELLANOUR A, TABULA BSBA 1-1

      1. It connects the nerves of the peripheral nervous system to the brain (The nerves in the spinal cord carry the information to and from the brain).

      spinal cord It is the center of reflex action. It controls certain reflexes. These are automatic responses not involving the brain, such as blinking, sneezing, coughing, the knee-jerk reflex, dilation of the pupil of the eye and so on. If a person’s spinal cord were cut into two, all parts of the body below the cut would become paralyzed. This is because the nerves would no longer be able to receive messages from the brain or send them to the brain. And it is impotant to use bacause we cant be productive if aour spinal cord is damage no production means less of profit me as individual i really need to be productive si that i can gain more maney and invest more properties.

    • profile image

      Mariella delapaz BS-Psy 2 years ago

      Skeletal system is very essential to human being. In able to stand or to do things, we need something that will carry our body and that's our bones. our muscle, organs and all things that we consist of is indicated to our bones. It really help us a lot. It is important because without a spinal cord your brain and your body couldn’t communicate with each other. The spinal cord has two major functions. First, it receives sensory information through the afferent nerves from the sensory receptors throughout the body, and sends them to the brain. It also carries information from the brain through efferent fibers to the muscles and glands. Second, it coordinates reflexes without the involvement of the brain, thus, the spinal cord has both communicative and integrative functions.

    • profile image

      Castro, Theanna Giomarie M. BSA1-3 2 years ago

      The spinal cord is the most important structure between the body and the brain. The spinal cord extends from the foramen magnum where it is continuous with the medulla to the level of the first or second lumbar vertebrae. It is a vital link between the brain and the body, and from the body to the brain. Our Spinal Cord is important because without a spinal cord our brain and our body couldn’t communicate with each other. The spinal cord is the pathway for impulses from the body to the brain, and from the brain to the body. These impulses are different signals our brain sends and receives from our bodies. The spinal cord helps us to move. It also allows us to feel hot and cold temperature, vibration, sharp and dull sensations, and to sense position of our arms and legs. When we move, messages travel from the brain down the spinal cord. Messages also are carried up the spinal cord to the brain to allow you to feel sensations. The spinal cord also helps in controlling blood pressure, heart rate, and the temperature of the body.

    • profile image

      Ciara Jane Nicole S. Velasquez 2 years ago

      Velasquez, Ciara Jane Nicole S.

      BSA 1-2

      Our spinal cord is the largest group of nerves found inside the spinal column. It is an extension of our brain tissue for all the nerves from our brain runs down and is protected by the spine. Along with the brain, it makes up our Central Nervous System.

      Encased in bone, surrounded by thick and strong ligaments, floated in their own spinal fluid and given their own blood barrier to protect them against most of what circulates throughout the rest of our body, it serves as the controlling core of our existence, carrying signals to control every sensation we convey and every move we make. It is the very reason why we need to protect our backs at all cost. If it weren’t for the spine’s unique ability, the brain wouldn't be able to send signals to the rest of our body, leading to our paralysis and brain death.

    • profile image

      Larra Erespe 2 years ago

      ERESPE, Larra Ellaine Calderon

      BSA 1-2

      Spinal cord. It serves as the pathway for the impulses to reach the brain from our body and vice versa.

      Because of this, voluntary movements can be possible like the movement of limbs.

      It is relevant for each and one of us to study the spinal cord and its functions for without this, we cannot feel hot or cold temperature; we cannot stand straight with our feet; we cannot sense the postion of our arms and legs; and our organs will not be connected with the brain to send messages and to tell them what to do.

      Just like how spinal cord make the body organs to communicate with each other, we as BSA students must also be expert with the field of communication.

      For we all know that a CPA's job is to fulfill his client's needs. And without a proper communication there would be a misunderstanding between the two parties.

    • profile image

      Jedah San Miguel 2 years ago

      Jedah San Miguel, BSA 1-2

      The spinal cord is connected to the brain and is about the diameter of a human finger. From the brain the spinal cord descends down the middle of the back and is surrounded and protected by the bony vertebral column. The spinal cord is surrounded by a clear fluid called cerebral spinal fluid (CSF), that acts as a cushion to protect the delicate nerve tissues against damage from banging against the inside of the vertebrae. The anatomy of the spinal cord itself, consists of millions of nerve fibres which transmit electrical information to and from the limbs, trunk and organs of the body, back to and from the brain. The nerves which exit the spinal cord in the upper section, the neck, control breathing and the arms. The nerves which exit the spinal cord in the mid and lower section of the back, control the trunk and legs, as well as bladder, bowel and sexual function.

    • profile image

      Diseree Olyssa R. Salas BSBA 1-1 2 years ago

      It is part of the nervous system and the skeletal system. It is super important. What if you didn't have a spinal cord? you would be paralyzed. Probably wouldn't be able to move at all. you would have no spine. Your back would be like jello. Your organs would probably be floating around a bit more randomly. You wouldn't be able to feel anything. The spinal cord is a super important part of the body.

    • profile image

      Anamir Carillo 2 years ago

      BSA 1-3 Carillo, Anamir B.

      Our spinal cord is the link between the brain and the nerves in the rest of our body. By the help of spinal cord, our body is able to receive the information from our brain. The spinal cord helps us to move. The spinal cord has several functions: reflex activities or reflex actions, conduction of sensory impulses and conduction of motor impulses. To relate this topic in real life situation, let us look to the messengers. Messenger is the link between the sender and the receiver. Messenger helps them to understand each other. Another example is financial statements used by accountants as proof to their clients.

    • profile image

      Lyn Cel Marie Felipe 2 years ago

      Felipe, Lyn Cel Marie

      The brain sends the message through the spinal cord that control's our body. Without this we cannot move and do things or talk and even feel pain. In business communication is important because it make things so much easier when employees talk to each other to understand the proper way to their work for the business to continue its operation. We communicate not just by talking another form of communication is through the advertisement companies post for the consumers, to know what is their product, how to use it, what is the price and what would be the effect of it when they use it.

    • Crislyn Roxas profile image

      Crislyn Roxas 2 years ago

      Roxas, Crislyn Joy D. BSA 1-3

      It was stated above that it is not the heart but the spinal cord that can feel yet I still can't figure out why it seems like it is the heart that suffers whenever we experience the so-called 'heartbreak' Maybe the experts and professionals can explain that one.

      From what I've read, spinal cord sends the message to the brain and the latter will process and decide for the next action.

      In accounting, communication between the client and the accountant is really important. They have to be clear about the statements that the client needs, the information to be used by the accountant and how long it has to take to finish the statements.

    • Rolaine Ingalla profile image

      Rolaine Ann Ingalla 2 years ago

      BSA 1-3 INGALLA, Rolaine Ann B. Not only the brain but also the spinal cord is responsible for giving us the sense of life. It let us feel our emotions and it also helps the brain to decide the appropriate action to react in a particular scenario. What we account here as an accountant is the importance of our spinal cord, to perform quick or urgent responses. We, accountants, must know how to react as quickly and as efficient as possible in order for our decisions to be worth it.

    • Erissa Feliciano profile image

      Erissa Feliciano 2 years ago from Angat, Bulacan

      Erissa Joy P. Feliciano

      BSA 1-4

      The brain and the spinal cord work together. The spinal cord is the link

      between the brain and the nerves in the rest of your body. The spinal cord helps you to move. It also allows youto feel hot and cold temperature, vibration, sharp and dull sensations, and to sense position of your arms

      and legs. When you move messages travel from the brain down the spinal

      cord. Messages also are carried up the spinal cord to the brain to allow you to feel sensations. The spinal cord also helps in controlling blood pressure, heart rate, and the temperature of the body.

    • profile image

      paula reyes 2 years ago

      REYES,Christina Paula A. BSA 1-3

      The spinal cord is important because of this our body and our mind will communicate to each other. It is a pathway for the impulses from the body to the brain and vice versa. This impulses are the signals our brain sends and receives from our body. It helps the body what to do. Just like in accounting,we the accountants and the clients help each other and communicate to each other to finish ones task.

    • profile image

      Fatima Valenzuela 2 years ago

      Valenzuela, Fatima E. BSA 1-2

      The spinal cord is the most important structure between the body and the brain. The spinal cord extends from the foramen magnum where it is continuous with the medulla to the level of the first or second lumbar vertebrae. It is a vital link between the brain and the body, and from the body to the brain. Spinal cord is important for two reasons. First, it connects the nerves of the peripheral nervous system with the brain. Impulses reaching the spinal cord from sensory neurons travel up the cord through interneurons to the brain. Impulses from the brain are sent down the spinal cord by interneurons to motor neurons. These impulses travel through peripheral nerves to muscles and glands. Second, the spinal cord controls the certain reflexes, which are automatic responses.

    • Alyssa Delara profile image

      Alyssa Delara 2 years ago

      Alyssa Nicole M. De Lara

      BSBA 1-1

      The spinal cord is comprised of neural pathways. In order for a message to go from the brain to the body, that message, or impulse, is passed from neuron to neuron through junctions called synapses. This process continues until the message reaches its final destination, such as muscle, gland, or other non-neural cell.

      The central nervous system is organized in a way that allows certain parts of the spinal cord to control and affect certain parts of the body. Messages transmitting pain, movement, temperature, touch, and vibration regarding the skin, joints, muscles, and internal organs are all relayed through the spinal cord.

    • prinzzes celine profile image

      prinzzes celine 2 years ago

      Prinzzes Celine J. Bartolome BSA 1-3

      Spinal cord is a cordlike posterior portion of the central nervous system contained within the spinal canal of the vertebral column of all vertebrates.Spinal cord runs along the back,and that it give rise to all the nerves of the trunks and the limbs.

    • Rovy Kim Taruc profile image

      Rovy Kim Taruc 2 years ago

      Rovy Kim Taruc BSBA 1-1

      The Spinal cord is the large group of nerves which runs through the center of the spine and carries messages between the brain and the rest of the body.

      The cord of nervous tissue that extends from the brain lengthwise along the back in the vertebral canal, gives off the pairs of spinal nerves, carries impulses to and from the brain, and serves as a center for initiating and coordinating many reflex acts.

    • profile image

      Kenneth villarama 2 years ago

      Kenneth Villarama BSA 1-4

      The spinal cord is the most important structure between the body and the brain. The spinal cord extends from the foramen magnum where it is continuous with the medulla to the level of the first or second lumbar vertebrae. It is a vital link between the brain and the body, and from the body to the brain. The spinal cord is 40 to 50 cm long and 1 cm to 1.5 cm in diameter. Two consecutive rows of nerve roots emerge on each of its sides. These nerve roots join distally to form 31 pairs of spinal nerves.

    • profile image

      Kathreene Magat 2 years ago

      Kathreene Magat BSA 1-4

      The spinal cord partners up with the brain to send information around the body as electrical signals. It tells the body what the brain wants and the brain what the body is feeling. The spinal cord, along with the brain, makes up the central nervous system. It resembles a thick, cream-colored rope and is made up of nerves that relay messages between the brain and the rest of the body. It stretches from the medulla oblongata, at the base of the brain, to the lower back, and is housed in a tunnel made by the , or bones of the spinal column. The spinal cord works a bit like a telephone switchboard operator, helping the brain communicate with different parts of the body, and vice versa. It has three major roles. One of these is to relay messages from the brain to different parts of the body (usually a muscle) in order to perform an action. Also to pass along messages from sensory receptors (found all over the body) to the brain. And to coordinate reflexes (quick responses to outside stimuli) that don't go through the brain and are managed by the spinal cord alone.

    • profile image

      Pamela SanGabriel 2 years ago

      Pamela Mae T. San Gabriel

      BSA 1-4

      It is important because without a spinal cord, our brain and body couldn't communicate with each other. It is the pathway for impulses from the body to the brain, and from the brain to the body. These impulses are different signals our brain sends and receives from our bodies. Accountants are like the spinal cord of a firm. They are the one who prepare, examine and extend the financial records to its rightful users. Accountants keep track of the business transactions, financial informations and make sure that records are accurate and taxes are paid correctly and on time.

    • profile image

      Evette Giron 2 years ago

      Giron, Krizia Evette B. (BSA 1-2)

      The spinal cord is a long cable-like structure made up of hundreds of nerve fibers, which is approximately 17 inches (42 cm) long. Functions of spinal cord can be divided into 3 categories: reflex arc (is like a message of pain, once we feel pain on the surface of our body, it will send an urgent message to our brain. Even we are sleeping, the reflex mechanism of the brain and the spinal cord is alert even when we are asleep. It is always protecting and warning us.) Conduction of sensory impulses (is upward through ascending tracts to the brain.) and Conduction of motor impulses (is from the brain down through descending tracts to the efferent neurons that supply muscles or glands.). We need to take care our body because all of the parts of it have their own uses and their own importance and one of it is our spinal cord.

    • profile image

      De Guzman,Ma. Jessa Isabel,D. 2 years ago

      BSA 1-2

      Spinal cord is the large group of nerves which runs through the center of the spine and carries messages between the brain and the rest of the body. This is important to our body because without it,no message can pass through the veins and we can't function as an individual.

    • profile image

      Pamela Sayco 2 years ago

      Pamela Angelica D. Sayco

      BSA 1-2

      Spinal cord is a major nerve tract of vertebrates, extending from the base of the brain through the canal of the spinal column. It is composed of nerve fibres that mediate reflex actions and that transmit impulses to and from the brain. Learning about spinal cord and its importance is important because through the spinal cord the message from the brain can pass to our body parts and it conducts impulses to other parts of the body.

    • profile image

      Pamela Sayco 2 years ago

      Pamela Angelica D. Sayco

      BSA 1-2

      Spinal cord is a major nerve tract of vertebrates, extending from the base of the brain through the canal of the spinal column. It is composed of nerve fibres that mediate reflex actions and that transmit impulses to and from the brain. Learning about spinal cord and its importance is important because through the spinal cord the message from the brain can pass to our body parts and it conducts impulses to other parts of the body.

    • profile image

      Mia Alyson Severino 2 years ago from Bulacan, Philippines

      BSA 1-3

      The spinal chord is very important because it is the cable under controlled by the brain. It is the brain's mate in every human. Without it, even we have brain, we are not be able to think, move, comprehent, respond, speak, answer, reason and live.

    • profile image

      Mary Grace De Jesus 2 years ago

      De Jesus, Mary Grace A. (BSA 1-2)

      The enclosing bony vertebral column protects the relatively shorter spinal cord. The spinal cord functions primarily in the transmission of neural signals between the brain and the rest of the body but also contains neural circuits that can independently control numerous reflexes and central pattern generators. The brain and spinal cord are your body's central nervous system. The brain is the command center for your body, and the spinal cord is the pathway for messages sent by the brain to the body and from the body to the brain. Your Spinal Cord is important because without a spinal cord your brain and your body couldn't communicate with each other. The spinal cord is the pathway for impulses from the body to the brain, and from the brain to the body.

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      Eunice Maranan 2 years ago

      Eunice S. Maranan, BSA 1-3.

      Our body is consisted of many nerves that lie outside the brain and spinal cord. The system of peripheral is affiliated with the central nervous system. This system is composed of 12 pairs of cranial nerves and 31 pairs of spinal nerves.The different nerves throughout our body are responsible for hearing,seeing,smelling and sometimes tasting. We accountants serve as the nerves in the company for we are the ones who must transmit the signal, whether the business will keep going or not. We must ensure the truthfulness in the financial reports in order to make the most appropriate judgement in the situations. Also the peripheral system makes an individual aware in his internal and external environment, so it means that one can recognized occurrence and from that he can surpass it. Inside and outside the company all of the members especially those in the high position must be aware of the factors that may either harm nor mend the business.

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      JoanaCordero 2 years ago

      Cordero, Joana Maidy C.

      BSA 1-4.

      Movement is one of the primary signs of life and any change in the structure or function of the spine may adversely affect human movement.Support for the head is paramount because the neck is involved in quick coordinating movements for survival and protection and in general daily activities. The shoulder and pelvic girdles are also attached and supported. All these structures are related to the spine.Protection of the central nervous system allows it to function optimally via the spinal cord, housed within the spine, which controls the function of every single cell, tissue and organ in the body.Therefore a healthy spine, coupled with a healthy nervous system, is crucial in terms of maintaining whole body health. Any alteration of spinal structure or function may cause irritation of the central nervous system or the outer spinal nerves that are protected as they travel to organs or muscles.

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      Nikka Lei Angeles 2 years ago

      Angeles, Nikka Lei S. BSA 1-4 The spinal cord plays a vital role in our body. It acts as the main conduit between the brain and the body. It resembles a thick, cream-colored rope and is made up of nerves that relay messages between the brain and the rest of the body. It stretches from the medulla oblongata, at the base of the brain, to the lower back, and is housed in a tunnel made by the vertebrae, or bones of the spinal column.It connects a large part of the peripheral nervous system to the brain. Information (nerve impulses) reaching the spinal cord through sensory neurons are transmitted up into the brain.

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      Maryrose Cruz 2 years ago

      MARYROSE D CRUZ BSBA 1-1 The spinal cord is a long, thin, tubular bundle of nervous tissue and support cells that extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column. The brain and spinal cord together make up the central nervous system (CNS). The spinal cord begins at the occipital bone and extends down to the space between the first and second lumbar vertebrae; it does not extend the entire length of the vertebral column. It is around 45 cm (18 in) in men and around 43 cm (17 in) long in women. Also, the spinal cord has a varying width, ranging from 13 mm (1⁄2 in) thick in the cervical and lumbar regions to 6.4 mm (1⁄4 in) thick in the thoracic area. The enclosing bony vertebral column protects the relatively shorter spinal cord. The spinal cord functions primarily in the transmission of neural signals between the brain and the rest of the body but also contains neural circuits that can independently control numerous reflexes and central pattern generators. The spinal cord has three major functions: as a conduit for motor information, which travels down the spinal cord, as a conduit for sensory information in the reverse direction, and finally as a center for coordinating certain reflexes.

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      Shaira Rehj Rivera 2 years ago

      Rivera, Shaira Rehj R.

      BSA 1-4

      The role of the spinal cord in the human body is very important. It acts as an 'information highway' between your brain and other parts of your body. Every movement you make, and every physical sensation and feeling you experience, travels through your spinal cord. What does the spinal cord do? The spinal cord is a length of tissue that plugs into the brain and reaches down to around your waistline. Your spine is made of a 'bundle' of nerves that travel down the length of your back. Because these are so important and sensitive, they need to be protected by a hard case of bones called the vertebrae - in the same way as your skull protects your brain. Your spinal nerves could be damaged very easily if they weren't protected by the vertebrae. As far as the 'design' of these vertebrae goes, I'd describe them as something of a compromise: They don't protect the spinal nerves completely (leaving us susceptible to serious nerve damage and paralysis through injury), but our vertebrae are also flexible enough to allow us to move about and twist around with relative ease. Although your spine runs down your back, it is connected to every part of your body through nerves which branch out from the main spine, like rural roads connecting to a major highway.

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      Genierose de Ocera 2 years ago from San Miguel, Bulacan

      Genierose de Ocera BSA I-4

      The spinal cord is the link between the brain and the nerves in the rest of your body. The spinal cord helps you to move. It also allows you to feel hot and cold temperature, vibration, sharp and dull sensations, and to sense position of your arms and legs. When you move, messages travel from the brain down the spinal cord. Messages also are carried up the spinal cord to the brain to allow you to feel sensations. The spinal cord also helps in controlling blood pressure, heart rate, and the temperature of the body. In accounting, the money serves as the linking material which binds people in business specially business men and entrepreneurs. They use money to accomplish business transactions as an exchange for a material.

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      Hannah Keziah Morales 2 years ago

      MORALES, Hannah Keziah T. BSA 1-2

      The spinal cord is a bundle of nerves that connects the brain to other parts of the body. It is protected by a series of doughnut-shaped bones called vertebrae, which surround the spinal cord. It is the link between the brain and the nerves in the rest of our body. The spinal cord helps us move and allows us to feel the temperature, vibration, sharp and dull sensations. During movement, messages travel from the brain down the spinal cord. Messages also are carried up the spinal cord to the brain to allow us to feel sensations through nerves. The spinal cord also helps in controlling blood pressure, heart rate, and the temperature of the body with the help of spinal nerves.

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      Reicee Ann Salvador 2 years ago

      Reicee Ann P. Salvador

      BSA 1-4

      Spinal cord is the cylindrical bundle of nerve fibers and associated tissue that is enclosed in the spine and connects nearly all parts of the body to the brain, with which it forms the central nervous system. It is a nerve tissue that is being protected by the vertebral column. It connects the brain to the nerves from all over the body. It also controls involuntary movements called reflexes.

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      Joyce Parulan 2 years ago

      Parulan, Joyce Kristine R

      BSA 1-4

      Your Spinal Cord is important because without a spinal cord your brain and your body couldn't communicate with each other. The spinal cord is the pathway for impulses from the body to the brain, and from the brain to the body. And so in connection with accountancy I can say that, the spinal cord is our professor and we, the students are the brain because without the professor we wouldn’t be able to learn things about accountancy and make a step to reach our destination.

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      Katlyn Sta Rita 2 years ago from Makinabang baliuag bulacan

      Katlyn Sta Rita Bsa1-4

      The spinal cord is a long, fragile tubelike structure that begins at the end of the brain stem and continues down almost to the bottom of the spine (spinal column). The spinal cord consists of nerves that carry incoming and outgoing messages between the brain and the rest of the body.

      Like the brain, the spinal cord is covered by three layers of tissue (meninges). The spinal cord and meninges are contained in the spinal canal, which runs through the center of the spine. In most adults, the spine is composed of 26 individual back bones (vertebrae). Just as the skull protects the brain, vertebrae protect the spinal cord. The vertebrae are separated by disks made of cartilage, which act as cushions, reducing the forces generated by movements such as walking and jumping.

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      Mary Joyce Nepomuceno 2 years ago

      Nepomuceno, Mary Joyce SP.

      BSA1-4

      The spinal cord is comprised of neural pathways. In order for a message to go from the brain to the body, that message, or impulse, is passed from neuron to neuron through junctions called synapses. This process continues until the message reaches its final destination, such as muscle, gland, or other non-neural cell.The role of the central nervous system is to control the majority of the functions of both the body and the mind. Simply put, the brain interprets all of the information we receive from our senses and internal organs, processes them, then tells our body how to react.

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      Shayne dela Cruz 2 years ago

      Shayne S. dela Cruz BSA 1-4

      The spinal cord is located inside the vertebral canal. It consists of nerve roots which enter the spinal cord at each level, and the motor roots, which emerge from the cord at each level. It is one of the important parts in our body because it sends messages to and from the brain and body receptors and also helps our body to have good posture. Once it face or have some problems we can also have to face that problem in terms of standing in balance and walking. The problem in our spinal can lead to some problem that affect our normal life specially our studies or work.

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      Mia Alyson Severino 2 years ago from Bulacan, Philippines

      Mia Alyson Severino

      BSA 1-3

      The brain is not just important but very impotant especially in our movement. It is the commander of our body in order for us to move, react, conceptualize, comprehend, think, speak and survive. Brain is also needed to be studies by us,as students of accountancy, because in it, we need much skill in logical reasoning.

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      Mary Joyce Nepomuceno 2 years ago

      Nepomuceno, Mary Joyce SP.

      BSA1-4

      The role of the central nervous system is to control the majority of the functions of both the body and the mind. Simply put, the brain interprets all of the information we receive from our senses and internal organs, processes them, then tells our body how to react.

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      Patricia Mae Mendoza 2 years ago

      PATRICIA MAE J. MENDOZA.. BSBA 1-1,The spinal cord is the main pathway for information connecting the brain and peripheral nervous system.

      The human spinal cord is protected by the bony spinal column shown to the left. The spinal column is made up of bones called vertebrae. Although the spinal column is somewhat flexible, some of the vertebrae in the lower parts of the spinal column become fused. The spinal cord is located in the vertebral foramen and is made up of 31 segments: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral and 1 coccygeal. A pair of spinal nerves leaves each segment of the spinal cord. The length of the spinal cord is about 45 cm in men and 43 cm in women. The spinal cord is shorter than the length of the bony spinal column; the spinal cord extends down only to the last of the thoracic vertebrae. Nerves that extend from the spinal cord from the lumbar and sacral levels must run in the vertebral canal for a distance before they leave the vertebral column. This collection of nerves in the vertebral canal is called the cauda equina (which means "horse tail").

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      Angelica Salinas 2 years ago

      Angelica G. Salinas BSBA 1-1

      -

      The spinal cord is comprised of neural pathways. In order for a message to go from the brain to the body, that message, or impulse, is passed from neuron to neuron through junctions called synapses. This process continues until the message reaches its final destination, such as muscle, gland, or other non-neural cell. You would think that with a job this important the central nervous system would be protected, and it is. As a matter of fact, the central nervous system is one of the best-protected systems in the entire body, defended by the bones of the skull and spinal column. Unfortunately, when these bones are injured or fractured they can compromise the soft tissue in the spinal cord, causing permanent damage.

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      Puranmal Munot 3 years ago from Jalore, India

      good

    working