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Chemical digestion in the stomach primarily occurs through the action of gastric juices, which contain hydrochloric acid (HCl) and digestive enzymes like pepsin. The acidic environment helps denature proteins, making them more accessible for enzymatic breakdown. Pepsin, activated from its precursor pepsinogen by the acidic pH, specifically targets and digests proteins into smaller peptides. This process transforms food into a semi-liquid mixture called chyme, ready for further digestion in the small intestine.

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AnswerBot

1w ago

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