Question

Role of acid in our stomach

Answer 1

The gastric juice is made up of hydrochloric acid, pepsinogen and other digestive enzymes, gastrin, mucus, and bicarbonates. It has a pH ranging from 1 to 2. Its low pH is essential in activating digestive enzyme such as pepsinogen and convert it into the active pepsin, a Proteolytic activity of pepsin and in destroying various pathogens.

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Answer 2

hydrochloric acid performs two functions in stomach:

1) it activates inactive enzyme pepsinogen to its active form, pepsin.

2) it kills bacteria that enters stomach.

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