Q:

What carries blood from arterioles into venules?

A:

Quick Answer

Capillaries, tiny vessels that transport blood, connect arterioles to venules. Capillaries help facilitate the exchange of carbon dioxide, water, oxygen and nutrients within the body. These small blood vessels are considered communicators between veins and arteries, and they are located within the tissues of the body.

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Full Answer

Capillaries have a key function in microcirculation, which involves the circulation of blood within the body, starting at the heart. Blood pumped from the heart travels through the arteries, arterioles, capillaries, venules and veins, and then it travels back to the heart. These tiny blood vessels measure less than 10 microns in diameter and are useful for exchanging waste between blood and tissue.

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