Multiple choice

What is the role of hydrochloric acid in human body?

  1. Digestion of proteins

  2. Killing of harmful bacteria

  3. Protection of the inner lining of the stomach

  4. Breakdown of large fats

  5. Conversion of carbohydrates to glucose
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

HCl kills many bacteria and other microorganisms that enter along with the food.

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