Given below are two statements:
Statement I: Mucus secreted in stomach helps in lubrication and prevents excoriation of gastric mucosa by HCl.
Statement II: Mucus secreted in large intestine helps in adhering the undigested particles together.
In the light of the above statements, choose the most appropriate answer from the options given below:

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Both statement I and Statement II are incorrect

Statement I is correct but Statement II is incorrect

Statement I is incorrect but Statement II is correct

Both Statement I and Statement II are correct

answer is D.

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Detailed Solution

The mucus and bicarbonates present in the gastric juice play an important role in lubrication and
protection of the mucosal epithelium from excoriation by the highly concentrated hydrochloric acid. Secretion of mucus in the large intestine helps in adhering the waste (undigested) particles together and lubricating it for an easy passage.

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