Biology, 23.07.2019 13:50, aleikebanks

Why doesn't the stomach digest itself? a. the stomach wall is not composed of protein, so it is not affected by proteolytic enzymes. b. the digestive enzymes of the stomach are not strong enough to digest the stomach wall. c. the lining of the stomach wall has a protective layer of epithelial cells. d. the stomach wall is protected by large amounts of mucus. e. the hydrochloric acid produced in the stomach does not have a low enough ph level to break it down?

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Why doesn't the stomach digest itself? a. the stomach wall is not composed of protein, so it is not...