question_answer

Look at the diagram given below and choose the incorrect option.

I. Food passes directly to X from mouth through food pipe.

II. Z is not a part of our digestive system.

III. Y is known as small intestine.

IV. No digestion of food takes place in X.

A) I and III            

B) II and IV

C) I and IV            

D) III and IV

E) None of these