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What Happens in the Capillaries?

Answer

The capillaries basically exchange materials with their surroundings. Their walls are very thin and are made up of a single layer of cells, where gases, nutrients as well as waste is diffused. They are distributed as beds, complex networks that link arteries as well as veins.
Q&A Related to "What Happens in the Capillaries?"
well the oxygen in the blood in taken out and "given" to the cells. so the blood turns a dark blue color, but when the blood is oxygenated the blood turns red.
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This is what happens: The exchange of oxygen and carbon dioxide takes place through the thin
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the cappilary walls are only once cell size thick.This alows for gas exchange to occur during cellular respiration. Source(s): my bio teacher
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Best answer as selected by question asker. Capillary action is what happens when a liquid, such as water, rises into a very small diameter tube, against the force of gravity. The
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