Question

What are villi ? Explain their function in the digestive system

Answer 1

villi =a small projection from a mucousmembrane, particularly those found in the intestines
function = to absorb water

Answer 2

Function of villi:-

increase the surface area for absorption

The villi are richly supplied with blood vessels which take the absorbed food to each and every cell of the body, where it is utilised for obtaining energy,building up new tissues and the repair of old tissues.