3. Answer briefly: a) Why are villi present in the intestine and not i

1.	3. 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 the alimentary canal? d) How does bile help in the digestion of fats?
Answer» 3. 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 the alimentary canal? d) How does bile help in the digestion of fats?

3. 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 the alimentary canal? d) How does bile help in the digestion of fats?

Answer»

3. 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 the alimentary canal?

d) How does bile help in the digestion of fats?