Explain the process of digestion in the small intestine of man.
Digestion of food in small intestine :

Explanation

Digestion of food in small intestine :
Small intestine is the site of complete digestion of proteins, carbohydrates and fats.
Glands present in the walls of small intestine secrete intestinal juice.
Enzymes in the intestinal juice convert proteins into amino acids, complex carbohydrates into glucose and fats into fatty acids and glycerol.
Digested food is absorbed by the villi present in the walls of intestine.