Question

What are folds of wall of small intestine called as? What is their function?

Answer 1

Answer=

Intestinal villi

Explanation:

The intestinal villi increases the rate of absorption by increasing the surfaces area of intestine as well as the secretory part of villi secrets the digestive juices which helps in digestion.

Answer 2

Answer:

The mucous membrane lining the intestinal wall of the small intestine is thrown into transverse folds called plicae circulares, and in higher vertebrates minute fingerlike projections known as villi project into the cavity. These structures greatly increase the area of the secreting and absorbing surface.