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Reil [10]
3 years ago
13

What changes is pH occur during digestion of our food ?

Biology
1 answer:
mezya [45]3 years ago
5 0
Parietal cells within the stomach lining secrete hydrochloric acid that lowers the pH of the stomach. A low pH (1.5 to 2) activates pepsin. Acetylcholine, gastrin, and histamine stimulate the proton pump in parietal cells to release hydrogen ions and decrease pH.
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