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The stomach deals with hydrochloric acid, this is acorrosive material and unless the body and stomach are protected from it death will be the result. Moving from the inside out. It is made up of five layers. First the mucosa layer, within this acid resistant layer stomach acid and digestive juices are produced. Next is the submucosa. This is in turn surrounded by the muscularis, a layer of muscle that moves and mixes the stomach contents. Then another two layers, the subserosa and the serosa, these are the outer layers of the stomach. Some times after eating or certain things the inner layers are penetrated, if this keep on happening it can lead to ulcers which if left untreated can be fatal.

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14y ago
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8y ago

The stomach lining regrows fast and is renewed constantly. The stomach lining is also coated with mucus to prevent its corrosion.
Mucus secretion and active mitosis of epithelial cells

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13y ago

The mucus layer in your stomach.

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Q: What prevent self digestion of the stomach?
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