In addition to storage and mechanical breakdown of food, the stomach ________.
A) initiates protein digestion and denatures proteins
B) is the first site where absorption takes place
C) is the only place where fats are completely digested
D) is the first site where chemical digestion of starch takes place

Question

Quizplus · Accepted Answer

The stomach initiates protein digestion through the secretion of pepsinogen which is converted into pepsin by the acidic environment of the stomach. The hydrochloric acid in the stomach also helps in denaturing proteins.

In Addition to Storage and Mechanical Breakdown of Food, the Stomach