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What changes is pH occur during digestion of our food ?

please help me, I'm not sure what is the answer​

User Noah Allen
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1 Answer

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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.
User Scrfix
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