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| Picture by Compound Interest |
Have you ever wondered why our blood is red and becomes brown on standing? Why urine and feces have the color they have?
Believe it or not!All of these colors are due to structurally related compounds.
Let's have a closer look at these!
Blood is red in color due to hemoglobin protein.It is red when it takes oxygen but when it is further oxidised, it gets converted into methemoglobin which is brown in color. It happens out of the body.
Urine gets its color from uroglobine, a by product of Bilirubin. Uroglobin is yellow in color and is formed by the break down of Bilirubin in the intestine.
Feces has color due to the reduced product of uroglobin. It is called stercobilin and it is formed as urobilin continues its journey through the intestine.
A beautiful illustration and detailed analysis of bodily fluids is available on Compound Interest
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