Mention their functions and what is their location.

Mention the function.There are finger-like projections on the walls of the small intestine.It helps in the absorption of dissolved food substances.The surface area should be increased to speed up the rate of diffusion.

The question is, where are they?Villi are projections in the small intestine.Villi are structures that are located in the small intestine.Villi help with the digestion of food.

Intestinal villi are small, finger-like projections that extend into the small intestine.Villi increase the internal surface area of the walls.

The villi are finger-like projections on the inner surface of the mucosa.The small intestine has a surface area that helps it absorb food.