What type of blood flows through blood capillaries? Explain.
Asked by Lipi | 25th May, 2012, 09:45: PM
A capillary is an extremely small blood vessel located within the tissues of the body, that transports blood from arteries to veins. They are very thin and fragile. They are actually only one epithelial cell thick.
Capillaries form an intricate network throughout the body for the exchange of oxygen and carbon dioxide between blood and tissue cells. The exchange of oxygen and carbon dioxide takes place through the thin capillary wall. The red blood cells inside the capillary release their oxygen which passes through the wall and into the surrounding tissue. The tissue releases its waste products, like carbon dioxide, which passes through the wall and into the red blood cells.
Answered by | 28th May, 2012, 08:16: AM
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