Answer:
The stomach wall
contains three tubular glands (gastric glands) that secrete gastric juice.
The gastric juice
contains
(a) Hydrochloric
acid makes the medium acidic so that enzyme pepsin because active.
HCI kills
bacteria that may enter the stomach us the food.
(b) Mucus
helps to protect stomach wail from its own secretions HCl.
(c) Enzyme
pepsin begins the digestion of proteins present in food to form smaller
molecules.
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