Q5 of 56 Page 23

Fill in the blanks

The gastric juice contains …..acid.

The gastric juice contains hydrochloric acid.


Explanation.


The gastric glands in the stomach secretes gastric juice which contains hydrochloric acid, pepsin, rennin, and mucous. Hydrochloric acid provides an optimum pH (1-3) for the catalytic activity of pepsin. Pepsin hydrolysis proteins. Mucous in the gastric juice prevents the damage of epithelial lining of the stomach from acidic nature of gastric juice.


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