Question : The acid which is secreted by the glands in the stomach wall is
Option 1: Sulphuric acid
Option 2: Hydrochloric acid
Option 3: nitric acid
Option 4: Phosphoric acid
Correct Answer: Hydrochloric acid
Solution : The correct answer is hydrochloric acid.
Hydrochloric acid is released in stomach and it has a pH between 1.5 to 3.5. It is the main component of gastric juice and is released by parietal cells of gastric mucosa in the fundus and corpus. This low pH helps the body to digest food easily and it hastens the process of digestion. It breaks proteins, fats etc. and absorbs essential nutrients in it. It also destroys the bacteria, viruses and other micro-organisms which are ingested with food.
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