What is the function of HCl in stomach?

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Solution

Stomach hydrochloric acid (HCl):
HCl (Hydrochloric acid) is secreted by the parietal or oxyntic cells located on the stomach wall.
The functions of HCl in the stomach are:
It kills any germs that may have entered the alimentary canal along with the food.
It creates an acidic environment in the stomach by reducing the pH, which is required for the activation of pepsinogen into pepsin.

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