Sagot :
Answer:
Stomach acid's low pH level is largely attributable to one ingredient: hydrochloric acid (HCl). ... The cells lining your stomach wall secrete this acidic trio. The cells also release several enzymes and mucus. This mucus is vitally important to the process.
Answer:
Parietal cells within the stomach lining secret hydrochloric acid that lowers the pH of the stomach. A low pH (1.5 to 2) actives pepsin.
Explanation:
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