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Capillaries

Medical term · C

The body’s smallest blood vessels; they deliver oxygen and nutrients to tissues.

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Related terms

Blood vessels

Hollow tubes that transport blood throughout the body; includes arteries, veins, and capillaries.
Nutrients

Substances in foods that the body needs to survive.
Erythema

Redness of the skin because of widening of capillaries just below the surface of the skin.
Glomeruli

Tiny clusters of capillaries in the kidneys that filter waste products from the blood.

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