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Oesophagus & Stomach

The wall of t...

Question

The wall of the stomach is protected against the action of HCl by:

A

Pepsin

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B

Bile juice

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C

Mucus

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D

Saliva

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Solution

The correct option is D Mucus
HCl is produced in the stomach to digest food. HCl is highly acidic. Mucus protects the lining of the stomach from the harsh acidic conditions created by the HCl.
Hence, the correct answer is option C.

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