Question

What are villi? What are their location and function?

Answer 1

Definition:

1. The tiny finger-like projections on the inner surface of the small intestine that help in absorbing the digested food material are called villi.

Function:

1. Villi help to increase the surface area of intestinal walls to increase absorption of the digested food material.
2. Villi are richly supplied with blood vessels, which aid the process of absorption.

Location

1. These are located in the inner walls of the small intestine.