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

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14y ago

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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 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.


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.


Why do veins look blue even though blood is red?

Veins appear blue because of the way light interacts with the skin and the blood vessels underneath. The skin absorbs red light, making the veins appear blue. Blood is actually red, but the way light is absorbed and reflected by the skin makes veins look blue.


What color is the blood in the veins?

Some will say that the blood is blue in the veins because your veins are blue looking. This is incorrect. The blood is in fact red inside the veins, the veins just look blue due to the way the light passes through the fat and skin cells above.


Why do your veins look blue instead of red?

Our Veins look blue as well because those veins contain carbonated blood ,the blood which is going back to liver for oxygenation or purification. Due to access amount of carbon di oxide this blood looks like blue inside the veins.


Why are veins blue?

Veins appear blue because of the way light interacts with the skin and the blood vessels underneath. The skin absorbs red light, making the veins look blue.


Why do veins look big or small at times?

blood pressure


Why do my veins look blue?

Veins appear blue because of the way light interacts with your skin. The skin absorbs red light, making the veins underneath look blue. The blood in your veins is actually red, but the way light is absorbed and reflected gives them a blue hue when seen through the skin.


Which blood vessel has blood color?

All vessels containing blood would have red blood; in arteries and in veins and smaller vessels.The blue appearance of veins is an optical illusion that comes from the way light works on skin. The veins look blue because they are closer to the surface, if arteries were not as deep, they would look blue, too. It has nothing to do with oxygenation of blood in arteries and all to do with the properties of light and skin.


Why is blood red while veins appear blue?

Blood is red because of the iron in red blood cells, which gives it a red color when oxygenated. Veins appear blue because of the way light interacts with the skin and the blood vessels, causing them to look blue from the outside.