HISTOLOGY
DIGESTIVE SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which part of the stomach provides chemical digestion?
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teeth
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saliva
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smooth muscles
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gastric juices (HCl acid)
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Explanation:
Detailed explanation-1: -Parietal cells within the stomach lining secrete hydrochloric acid that lowers the pH of the stomach.
Detailed explanation-2: -Gastric juice is a unique combination of hydrochloric acid (HCl), lipase, and pepsin. Acidic gastric juice is found in all vertebrates, and its main function is to inactivate microorganisms.
Detailed explanation-3: -HCl is produced by the parietal cells of the stomach.
Detailed explanation-4: -HCL breaks down proteins in your stomach to prepare them for digestion and kills bacteria that enter your stomach. It converts the inactive enzyme pepsinogen into the active enzyme pepsin, which is responsible for digesting proteins in your stomach.
There is 1 question to complete.