The inner lining of stomach is protected by one of the following from the harmful effect of hydrochloric acid. This is :
(a) pepsin (b) mucus (c) saliva (d) bile

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Solution

option (b) mucus

The stomach has a lining of mucous cells. These mucous cells protect the lining of the stomach from the action of HCl. Due to the action of HCl on the mucous cells they are destroyed everyday and produced everyday thus stomach's lining is protected from the action of HCl.

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The inner lining of stomach is protected by one of the following from the harmful effect of hydrochloric acid. This is : (a) pepsin (b) mucus (c) saliva (d) bile

option (b) mucus The stomach has a lining of mucous cells. These mucous cells protect the lining of the stomach from the action of HCl. Due to the action of HCl on the mucous cells they are destroyed everyday and produced everyday thus stomach's lining is protected from the action of HCl.

The inner lining of stomach is protected by one of the following from the harmful effect of hydrochloric acid. This is :
(a) pepsin (b) mucus (c) saliva (d) bile

option (b) mucus

The stomach has a lining of mucous cells. These mucous cells protect the lining of the stomach from the action of HCl. Due to the action of HCl on the mucous cells they are destroyed everyday and produced everyday thus stomach's lining is protected from the action of HCl.