please, someone, tell what are veins ???
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Answer :
Veins are blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation.
Explanation:
Arteries and veins are two of the body's main type of blood vessels. These vessels are channels that distribute blood to the body.
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Answer:
veins are vessels of the circulatory system that Support circulation by conveying blood to the heart.
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