Question

What is the role of villi in the small intestine

Answer 1

Villi increase the surface area of the small intestine for faster and better absorption of digested food molecules through the wall of the small intestine into the blood and the lymph by diffusion (or active transport).

These tiny, finger-like projections are lined with epithelial cells containing microscopic protrusions called microvilli, which greatly enhance the absorptive area of the epithelial cells.

Answer 2

These villi's, increase surface area of the intestine and contain special cells to transport substances into the blog stream.

HELLO FRIEND,
HOPE IAM CORRECT.
FOLLOW ME IF YOU WANT.