Question

Which part of the digestive system starts the breakdown of proteins?

A. Small intestine
B. Stomach
C. Large intestine
D. Esophagus

Answer: B

Answer 1

B

Step-by-step explanation:

This is because the stomach releases HCL acid which activates the inactive enzymes pro-renin, which is found in soluble milk for mammals, and pepsinogen which breaks down proteins into polypeptides hence, the beginning of protein digestion