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Question
The inner lining of stomach is protected by one of the following from the harmful effect of hydrochloric acid. This is ______.
Options
pepsin
mucus
saliva
bile
MCQ
Fill in the Blanks
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Solution
The inner lining of stomach is protected by one of the following from the harmful effect of hydrochloric acid. This is mucus.
Explanation:
Mucus secreted by gastric glands coats the stomach’s inner lining, forming a protective barrier that prevents hydrochloric acid (and pepsin) from damaging the tissue; absence of this mucus can lead to erosion and ulcers.
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