Question

what is the role of acid in our stomach​

Answer 1

Answer:

Stomach acid plays an essential role in the immune system by killing harmful bacteria and parasites that are ingested with food. Stomach acid activates the enzyme pepsin needed for protein digestion..

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Answer 2

Answer:

The main role of acid in our stomach is to kill bacteria and to aid digestion by solubilizing food. ... Stomach acid activates the enzyme pepsin needed for protein digestion....

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