1. This structure is absent in frogs and present in man

2. This hormone facilitates the secretion of HCl from the stomach

3. Pick the incorrect statement

4. In humans, this pair of food constituents arrive at the stomach in a state of complete indigestion

5. This is most likely to happen if parietal cells of the gut epithelium turn partially non-functional

6. This regulates the peristalsis of the intestine

7. This is incorrect about vitamins

8. Minimum peristalsis takes place in

9. This prevents keratinization of the skin

10. This macromineral is essential for the synthesis of insulin