Answer briefly:   (a) Why are villi present in the intestine and not in the stomach?
Channel: Doubtnut
Date: 2020-05-09

Answer briefly:   (a) Why are villi present in the intestine and not in the stomach?   (b) How does pepsinogen change into its active form?  (c) What are the basic layers of the wall of alimentary canal?   (d) How does bile help in the digestion of fats?