The function of hydrochloric acid in the stomach is to

  1. emulsify fats
  2. absorb water
  3. kill bacteria and give the right pH for pepsin
  4. digest starch
Answer

C) kill bacteria and give the right pH for pepsin

HCl kills microbes and suits pepsin. O Level Biology · Topic 8 Human Nutrition · 8.2 Human digestive system

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