Question

State whether the statements are TRUE or FALSE . If false , rewrite the statements :

a. Pepsin acts in acidic medium .

b. Glycogen is stored in liver and muscles .

c. Food enters the stomach as chyme.

d. Pancreas is an exocrine as well as endocrine gland
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Answer 1

1. TRUE: Pepsin is the protein digesting enzyme found in stomach. It is found as proenzyme pepsinogen which interacts with acid HCl to turn into pepsin
2. TRUE: Glucose from food is stored in the form of glycogen in skeletal muscles and liver
3. FALSE: Chyme is what the food becomes after interacting with the stomach secretions. The food enters the stomach as bolus.
4. TRUE: The endocrine part of pancreas secretes hormones like insulin and the exocrine cells of pancreas secretes enzymes to aid digestion. The exocrine part forms bulk of pancreas.