Question

what are villi?where are they present?what is their function​

Answer 1

Answer:

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.

Explanation:

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Answer 2

Answer:

Villi are small finger-like projections located in the walls of the small intestine. Their function is to increase the surface area in order to maximise the absorption of digested food.