what are villi and what is their function?
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villi are the extensions of cell membrane. the main function of Villi is to increase the surface area for absorption for example villai present in human in small intestine increase surface area for absorption
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The small intestine has millions of tiny finger-like projections called villi. These villi increase the surface area for more efficient food absorption. Within these villi, are present numerous blood vessels which absorb the digested food and carry it to the blood stream.
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