Multiple Choice
If you put the following events in the order they occur in the human digestive system, which would be the third event in the series?
A) Cells in gastric pits secrete protons.
B) Pepsin activates pepsinogen.
C) HCl activates pepsinogen.
D) Partially digested food enters the small intestine.
Correct Answer:
Verified
Correct Answer:
Verified
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