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blood vessel

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blood vessel

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Also known as edder, blood vessels

tubular structure which carries blood

AI overview

A blood vessel is a tube-shaped structure in your body that carries blood throughout your system. Blood vessels matter because they deliver oxygen and nutrients to your organs and tissues, and remove waste products, which is essential for keeping you alive.

AI-generated from the Wikipedia summary — may contain errors.

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Blood vessels
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Category:Blood vessels
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Encyclopedic overview

Blood vessels are the tubular structures of a circulatory system transporting blood in animal bodies. Blood vessels transport blood cells, nutrients, and oxygen to most of the tissues of a body, and also transport waste products and carbon dioxide away from the tissues. Some tissues – such as cartilage, epithelium, and the lens and cornea of the eye – are not supplied with blood vessels, so are termed avascular.

There are five types of blood vessels: the arteries, which carry the blood away from the heart; the arterioles; the capillaries, where the exchange of water and chemicals between the blood and tissues occurs; the venules; and the veins, which carry blood from the capillaries back towards the heart.

Excerpted from Wikipedia’s “blood vessel” article, available under the CC BY-SA 4.0 licence.

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