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Answer:
Blood is almost always red. It is read because the red blood cells have iron in them, which attracts oxygen making it red. Whenever it is in your body it is red, just when it is coming back to the lungs to get more oxygen, it is darker. In the rare case that there is no oxygen in the blood, it appears maroon.
the color of blood is not blue but red since when you are bleeding it is red and when you see it blood vessel in you skin it appears blue so there for people think blood blue when its red
First answer by ID3513440257.
Last edit by Sandeepjs.
Contributor trust: 30
Question popularity:
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