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Anatomy of the Brain: Four Brains of Man

Updated on April 4, 2015
Cardisa profile image

Carolee is a passionate writer with a love for learning and teaching. She is a published author, poet, blogger, and content creator.

Anatomy of the brain

The anatomy of the brain is very interesting because scientists say that man has four brains. The human brain has it's specific functions and are divided into several sections. In this hub I will explain the different sections of the brain and their functions. But the must interesting fact is that the fourth brain is not located where you think it is.

We often refer to our cerebrum as the brain, thinking that it is where all our bodies' functions are monitored. We believe that without the cerebrum man cannot survive. I will attempt to explain to you the anatomy of the brain and that there are several primary monitoring systems in the body that perform very vital functions for different organs.

Man has four brains that are located at different sections of the body. These brains as they are often called are really a network of nerve fibers that consist of grey and white brain matter. They are called brains because without them the body's functions will be retarded. Man is unable to function without these "brains".

Brain 1 - The Cerebrum

The cerebrum is the front of the main brain situated in the head, scull or cranium. The cerebrum consists of two equivalent parts that are made of white matter surrounded by a grey substance.

The front portions of this brain are responsible for voluntary activities and intelligent functions of the body. For instance these portions of the cerebrum are responsible for the movement of the eyes, mouth, hand and feet.

If this part of the brain does not function well or is injured we may lose our motor skills.

Brain 2 - The Cerebellum

Simply put the cerebellum is located behind the cerebrum and is made up of white matter with grey substance on it's surface. The white part of the cerebellum looks like a little tree with trunk and branches and leaves. The brain is responsible for power force functions and sexual activities. Orgasms are also controlled by this portion of the brain.

The section circled in red on the diagram is the cerebellum. As you can see it is located at the back of the head.

With out the proper functioning of this brain the ability to function normally sexually will be severely affected. Injury to this part of the brain may make us lose interest in sex and or unable to reach a sexual climax.

Brain 3 - The Medulla Oblongata

The Medulla Oblongata is located at the upper end of the spinal chord. In this brain is the great gangionic centers which control respiration, vomiting, degutition etc. In hanging, it is said that the cause of death is the pressure that is placed on the Medulla Oblongata. The Cranial nerves are situated in the interior of the Medulla, under the surface of the cranium and emerging from the cranial cavities through openings in the base of the skull. These nerves are distributed to the head, neck, to some thoracic and abdominal organs, and the organs that perform special sensory functions.

Brain 4 - The Solar or Celiac Plexus

There is an entire hub dedicated to the solar plexus. Read it here.....................


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    • Cardisa profile imageAUTHOR

      Carolee Samuda 

      4 years ago from Jamaica

      Thank you Drwahid :) :)

    • Drwahid Pirzada profile image

      dr wahid pirzada 

      4 years ago from Ahmedabad, India

      hmmm!quite brainy!

    • Cardisa profile imageAUTHOR

      Carolee Samuda 

      5 years ago from Jamaica

      Hi Torrs13. I like psychology as well and am always investigating how the mind works. I think the brain is so diverse that man will never fully understand its functions.

    • Torrs13 profile image

      Tori Canonge 

      5 years ago from North Carolina

      The brain is so interesting to me. I'm getting my master's degree in psychology so I am constantly researching the brain and how it functions, as well as why people think and behave the way they do. I hope that one day there is enough research present to be able to identify why various disorders occur and how they may be fixed or altered so that people don't have to suffer from being taunted by their own minds.

    • anatomynotes profile image

      Edmund Custers 

      6 years ago

      Nice, I just learned something.

      .... the thing about hanging and the medulla oblongata. Thanks!

    • epigramman profile image


      6 years ago

      ....whoah whoah whoah - Man has a brain?

      But I do know one thing - you have both beauty and brains - and even your alter-ego turns me on.

    • pringoooals profile image


      6 years ago from Edinburgh

      A nice and useful biology lesson. Voted up!

    • epigramman profile image


      7 years ago

      .......thank goodness my brain registers my undying love and respect for you dear friend - always learn something from your hubs and that is a good thing - thank you for your efforts in this hub - your writing is like my brain food and your beauty , well, that's for my lucky eyes!

      lake erie time 10:54pm currently listening to early reagge and Treasure Isle recordings from the early 60's and 70's

    • lindsy lohan222 profile image

      lindsy lohan222 

      7 years ago from no where

      really you actually think i am funny any ways thanks and also you are welcome oh i have a question to ask you well umm did you draw that by hand on the computer?

    • floating mind profile image

      floating mind 

      7 years ago from Chicago, Illinois

      Nicely done and very informative. I like it, and like learning more about myself. Thanks.

    • lindsy lohan222 profile image

      lindsy lohan222 

      7 years ago from no where

      wow awsome but still (omg ewwww i think imma gonna puke)

      ~~lindsy lohan O_O

    • lafamillia profile image


      7 years ago from Soutcentral Europe

      " Four brains of the man " nice topic. :D Very creative... Keep it writing, and very interesting. Check out my hubs, and you have me as follower :D

    • Cresentmoon2007 profile image


      7 years ago from Caledonia, MI

      very interesting and packed with information. A great read.

    • pedrn44 profile image


      7 years ago from Greenfield, Wisconsin

      Interesting hub. Thanks for sharing. The Brain is indeed complex and amazing. Good job and thanks for the pics.

    • Mamelody profile image


      7 years ago

      LOL when I saw the headline my first thought was "oh, no wonder men are complicated, they have four brains!" I didn't expect a biology lesson. Nice one!

    • FloraBreenRobison profile image


      7 years ago

      some of my motor neurons were damaged when I was born. as a result, I was born with slight CP. The most severe damage is in my right hand where I have little dexterity except in the thumb.

    • profile image


      7 years ago

      o wow. Brilliant hub.

    • profile image


      7 years ago

      Very interesting layout of the brain and functions.


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