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Why is our blood RED?

Updated on April 19, 2012

RED....

Red is such a striking color. It makes one alert when we see this color. Red also displays courage. It is an emotionally intense color. Red stimulates a fast heartbeat and breathing. It is a color of love. Red color is usually used as an accent for decoration since it attracts attention.

BLOOD.......

Blood is a fluid that is pumped through the body by the heart and contains plasma, blood cells and platelets.

All living mammals have red blood. Why?

According to science, it's because of the presence of hemoprotein which is composed of globin and heme that gives blood cells their characteristic color i.e Red. Their function is primarily to transport oxygen from the lungs to the body tissues. So, does that mean the color Red has it's significance? If the blood color is Red only then can it transport oxygen from the lungs to the body tissues? Presence of a metal, Iron makes our blood red. Why do we need Iron as a metal?Some living things have different metals in their transport system. For example, crabs use copper in their transport system which gives them blue blood and sea shrimps have green blood as they use the metal vanadium. Different metals give different colors.

What exactly is the significance of the color RED?

In Physiological terms, the color Red means being Bold, being Brave, taking up challenges in this life. Let me start with an example, let's say I am working and I cut myself accidentally. Seeing RED blood oozing out makes me feel anxious and scared. It's because of the impact of the color Red. Had my blood been of any other color, I would not have felt as anxious as seeing the color Red. The color Red has a great impact not only as blood but also if a Red dress/shirt is worn. If worn for a presentation or for an exam or a test. It gives a feeling of confidence. Red is also a symbol of life, energy and fire.

Thus, the designing of a human body has been done very intelligently. We have all the necessary tools and gadgets to perform our best. This human machine was manufactured in such a way that we could discover our creator and be aware of his creation.

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    • ravi1991 profile image

      Ashutosh Tiwari 

      4 years ago from Lucknow, India

      @Ruchira Nice and very genuine article !

      What about the cockroaches, their blood is white.

      Can you tell me it is due to which metal ?

    • Ruchira profile imageAUTHOR

      Ruchira 

      6 years ago from United States

      Hi ThepracticalMommy,

      Yes, humans were made with lots of caution and care and love and thus, everything in us is magnificent!

      I am glad you found the above useful.

      Thanks!

    • ThePracticalMommy profile image

      Marissa 

      6 years ago from United States

      Red is one of my favorite colors! I didn't know all that about blood. Thanks for sharing!

    • Ruchira profile imageAUTHOR

      Ruchira 

      6 years ago from United States

      Hi Frank,

      I am glad you found the above useful. Thanks for the read and support....appreciate it!

      Hi John,

      Welcome!

      Good to see you. I am glad that you found the above useful. Yes, it is short but, I wanted it to be to the point.

      I will swing by your profile to check your hubs. Thanks!

    • Ruchira profile imageAUTHOR

      Ruchira 

      6 years ago from United States

      Hi ITcoach,

      Welcome! I am delighted if the above short/discreet paragraph gave you a new meaning about yourself...Cheers!

      Thanks for the read and comment!

    • Ruchira profile imageAUTHOR

      Ruchira 

      6 years ago from United States

      Great Vinaya...I am pleased to know that your teacher in high school taught you the significance of color, Red. thanks for swinging by!

      Hi Sankari, I am glad that you were mesmerized by the above explaination :) I do intend to write how colors affect our personality. let's see when that comes through :) thanks for the read and comment!

    • John Sarkis profile image

      John Sarkis 

      6 years ago from Los Angeles, CA

      Great hub, short but to the point...

      Voted up

      John

    • Frank Atanacio profile image

      Frank Atanacio 

      6 years ago from Shelton

      Ruch.. a very well written educational hub here up and awesome :) Frank

    • sankari.nayagam profile image

      sankari.nayagam 

      6 years ago

      Have not given much thought over - why the blood is red? But working about some colors for my next hub. Your RED question stopped me here and got a good explanation for the same.Could I expect some more hubs on colors...?

    • Vinaya Ghimire profile image

      Vinaya Ghimire 

      6 years ago from Nepal

      I read about this when I was in high school. Thanks for reminding.

    • Ruchira profile imageAUTHOR

      Ruchira 

      7 years ago from United States

      Hello Aupadhyay,

      I agree that under UV light RED appears Violet. But, under normal circumstances our blood is seen as RED and I wanted to give out a message to our human folks about how special we beings are and what we ought to do since; we ALL get overwhelmed with LIFE.

      I liked your feedback and read...thank you for stopping by!

    • Ruchira profile imageAUTHOR

      Ruchira 

      7 years ago from United States

      Hello Makusr,

      I Agree...A Color is an illusion of the mind. And, IF the mind is determined to do something then even a color white can help him achieve his goal.

      I wanted to give out a message stating that humans are special beings and thus, color RED is flowing through their bodies which signify boldness,courage etc.

      Thank you for your read and appreciate your feedback.

      Namaste!

    • AUPADHYAY profile image

      ANIL KUMAR UPADHYAY 

      7 years ago from INDIA, UTTAR PRADESH STATE, KANPUR CITY

      Dear Ruchira,

      As your hub contains the contents unable to be defined in a particular theory of imagination, and when I have only an option to answer the question raised by you, I have only view that due to the scientific fact, the rays of read color reaches fastest to the eyes, the blood appears to be red but no one think about the violet color which reaches slowest into our eyes. It is the other aspect of the coin to which you have not explored otherwise, the color of blood may be violet. After all, your hub in very interesting. Thanks for it.

    • makusr profile image

      Manoj Kumar Srivastava 

      7 years ago from India

      Ruchira,

      Greetings from MAKUSR. Red or any other color is an illusion. Our mind makes up these colors and then plays with it. But you have written a very good and interesting article on it. Red is a color which has been always associated with aggression, strength and carnal desires. Thanks for sharing.

      Lots of Love,

      MAKUSR

    • Ruchira profile imageAUTHOR

      Ruchira 

      7 years ago from United States

      thanks kawaljit :)

    • Kawaljit kaur profile image

      Kawaljit kaur 

      7 years ago from JALANDHAR, Punjab (India)

      our blood is red colored, we all know but the justification you gave, is awesome.. voted up.

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