Question

a) How the walls of stomach is well protected by HCl ?​

Answer 1

Answer:

The potent hydrochloric acid kills bacteria, protecting your body from harmful microbes which can enter your body in food. Your stomach protects itself from being digested by its own enzymes, or burnt by the corrosive hydrochloric acid, by secreting sticky, neutralising mucus that clings to the stomach walls.

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Answer 2

By mucosa and sub mucosa...

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