Question

4. Small intestine has
that increase the surface area for absorption of food.​

Answer 1

It has small finger like projections called villi which increase the surface area of absorption

hope this helps you.

Answer 2

Answer:

Villi (singular villus) are the small finger like outgrowths which are in small intestine.

they are used to absorb the digested food .

they increase in their surface area