what are villi ? ( biology )
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Villi are small finger-like projections found inside the inner walls of the small intestine. They v increase the surface area for absorption of the digested food. Each villus has a network of thin and small blood vessels close to its surface. The surface of the villi absorbs the digested food materials
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The digested food is also absorbed by the wall of the small intestine which is lined on the inner side by numerous fingers-like projections called villi
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