Circular folds and intestinal villi
A) increase the surface area of the mucosa of the small intestine.
B) carry products of digestion that will not pass through the walls of blood capillaries.
C) produce new cells for the mucosa of the small intestine.
D) secrete digestive enzymes.
E) produce hormones.

Question

Quizplus · Accepted Answer

Circular folds and intestinal villi both increase the surface area of the mucosa of the small intestine, allowing for greater absorption of nutrients from digested food. The other options listed are not functions of circular folds and intestinal villi.

Circular Folds and Intestinal Villi