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That's easy. When blood is in your body it is blue that's why your veins are blue. When oxygen meets the blood the blood turns red.

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13y ago

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Related Questions

What does it take to see red blood cells?

You need a microscope to see red blood cells.


How is blood red?

Blood is actually a bluish,purplish color. Whenever you see blood, it is red because once the blood touches the air, it turns red.


Can a black bear see red?

no because bears can only smell blood and blood is red


What color does a fish see?

the only fish that see colors live in the northern toptopia where they can see colors humans can see


Why do you see red?

That's easy. When blood is in your body it is blue that's why your veins are blue. When oxygen meets the blood the blood turns red.


What happens if you think you see blood but it might not be blood what do you think it is?

red paint


Why is fresh frozen plasma yellow and not red?

You do not have red blood cells in the plasma. Plasma means blood minus red blood cells. So you see the original yellowish colour in case of the blood plasma.


If my blood was brown then red can i still be pregnant?

If your blood was brown, that is old blood the body is expelling. If your blood has turned red, it is possible you are still pregnant, but you need to see a doctor.


Do blood cells make your blood red?

Well not really you can see your vain in the wrist or hand and you see that they are blueish green but they can also be green blue orange purple red.


Why blood looks red when you see it?

== == Blood looks red because the hemoglobin absorbs blue-yellow light when bound with oxygen. The reflected light is then red.


Should your blood be dark or light?

Oxygenated blood is bright red and deoxygenated blood is darker red.


Red blood during pregnancy?

See your doctor immedietly!