•The hydrochloric acid present in our stomach is not affecting the stomach????
Give the reason.
Answers
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.
Explanation:
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Answer:
Parietal cells in the mucosa, the inner cell layer of our digestive tract, secrete hydrochloric acid (HCl) into the stomach's lumen, or cavity. The solution in the lumen may have a pH of one or less10 times as acidic as pure lemon juice. This fact raises two distinct questions: how can the mucosa form HCl without being attacked in the process? And why doesn't the acid, once present in the lumen, attack the mucosa?