What is the role of acid and mucus in 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.
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Explanation:
the digestive system is responsible for processing the food we eat. it does this in the following steps
- ingestion , or the intake of food
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