Question

which structures of the small intestine increase the area of absorption​

Answer 1

Answer:

Villi: The folds form numerous tiny projections which stick out into the open space inside your small intestine (or lumen), and are covered with cells that help absorb nutrients from the food that passes through. Microvilli: The cells on the villi are packed full of tiny hairlike structures called microvilli.

Answer 2

Answer:

The inner wall of the small intestine is covered by numerous fold of mucous membrane called pilace circulares.