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What is a vein?

Updated: 9/7/2023
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Wiki User

15y ago

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Veins are blood vessels that are all over your body. The main function of the veins is to carry blood from the body back to the heart. This blood is low in oxygen, depleted of nutrients, and loaded with waste products.

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Wiki User

12y ago
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Wiki User

10y ago

The function of a vein is conduct blood to the heart (in comparison to an artery, which conducts blood away from the heart, and a capillary which connects an artery and a vein, while allowing substances to pass through its thin semi-permeable walls).

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16y ago

veins are the blood vessles that return de-oxygenated blood to your heart, while arteries carry oxygenated blood.

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15y ago

A vein is a blood vessel that carries blood to the heart.

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12y ago

a vein is to pump blood around the body to get to the parts of your body

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