Question

Which of the following is/are true about villi?

• A. Selectively absorbs nutrients.
• B. Increases surface area for absorption.
• C. Villi are present on outer surface of small intestine.
• D. Villi are present in stomach.

Answer 1

Answer: (A), (B)

Increases surface area for absorption.

The villi are the finger like projections present on the inner surface of small intestine. It increases the surface area of absorption. The digested food is retained in folds for a longer time and thus enhance the absorption.