Question

2 Hydrochloric acid in the stomach does not digest its own inner lining​

Answer 1

Answer:

Second, HCl in the lumen doesnt digest the mucosa because goblet cells in the mucosa secrete large quantities of protective mucus that line the mucosal surface. Basic electrolytes, such as HCO3-, trapped inside the layer of mucus neutralize any HCl that penetrates the mucus.

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