what is villi?
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Villus, plural villi, in anatomy any of the small, slender, vascular projections that increase the surface area of a membrane. ... The villi of the small intestine project into the intestinal cavity, greatly increasing the surface area for food absorption and adding digestive secretions.
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Villi are finger like projections in the small intestine
Explanation:
They increase the absorption level of nutrients.
They increase the surface area of absorption
also, increase the release of bile from the gall bladder
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