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Veins are blue because the blood is poor in oxygen, arteries are red because the blood is rich in oxygen.

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14y ago

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Why is blood blue in veins?

Blood is not actually blue in veins. The misconception that blood is blue in veins comes from the way light interacts with our skin, making veins appear blue. In reality, blood is always red, whether it is in the veins or arteries.


Is the blood in your veins really blue and purple or does it just look that way?

Blood is blue in your veins!


He had blue blood in his veins?

A blood seems blue in veins because when a blood is in veins they are low in oxygen and therefore look blue. When they get oxygenated, they become red and are carried by the artery.


Why is the blood in your veins blue?

It's not. Blood is only darker red when it is in veins.


What kind of blood enters the veins?

they enter the blue veins


Why some times blood look blue on the veins?

Blood becomes blue when it is deprived of oxygen. These veins are returning de-oxygenated blood to the heart, making them appear blue.


Is it true that our blood is blue in our veins?

No, it is not true that our blood is blue in our veins. Blood is always red, but it can appear blue when seen through the skin because of the way light interacts with our blood vessels.


Why does blood look blue in the veins?

Blood appears blue in veins due to the way light interacts with the skin and the blood vessels. The blue color is not actually the color of the blood itself, but rather a result of how light is absorbed and reflected by the skin and the veins.


What veins carry oxygenated or blood red or blue?

Red veins carry oxygenated blood.


Is it true that your blood is blue in your veins?

No, it is not true that your blood is blue in your veins. Blood is always red, but it can appear blue when seen through the skin because of the way light interacts with the skin and blood vessels.


What does the blue blood in your veins mean?

That you are a human.


Why do your vains look blue?

your veins look blue because your blood has no oxygen, when your blood is oxygenated it is red and when it is deoxygenated it is blue. veins carry blood toward the heart and are often blue while arteries carry blood away from the heart and are filled with oxygenated blood.