Multiple choice

How is our stomach lining protected from being corroded by hydrochloric acid?

  1. Mucous membrane that lines the stomach wall.

  2. Food in the stomach prevents its corrosion.

  3. Alkali produced by stomach wall.

  4. Enzymes in the stomach.

  5. Bacteria in stomach.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Mucous membrane that lines the stomach wall secretes mucus, which will prevent acid from attacking stomach wall.

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