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NCERT Textbook
LIFE PROCESSES

Class 10
Biology :-NCERT Solution - Life Process

Page No 101:
Question 3:
What is the role of the acid in our stomach?


Answer:

Following are the roles of acid in our stomach:
1. The hydrochloric acid present in our stomach dissolves bits of food and creates an acidic medium. In this acidic medium, enzyme pepsinogen is converted to pepsin, which is a protein-digesting enzyme.
2. The hydrochloric acid kills the harmful microbes that enter with food and thus prevents infection of digestive tract.

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