what is the role of acid in our stomach??
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The hydrochloric acid in the gastric juice breaks down the food and the digestive enzymes split up the proteins. The acidic gastric juice also kills bacteria. The mucus covers the stomach wall with a protective coating. Together with the bicarbonate, this ensures that the stomach wall itself is not damaged by the hydrochloric acid.
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•presence of acidic medium helps in the activation of enzyme 'pepsin' .
•helps in killing harmful bacteria that entered in with the food.
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