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Practice mode Digestion

Which is NOT a function of hydrochloric acid in the stomach?

Correct answer B. Emulsifying fats into small droplets

Explanation

Hydrochloric acid kills microbes, activates pepsinogen and provides a pH of about 2. Emulsification of fats is done by bile salts in the duodenum.

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Question 04 Digestion

Which statement about the oesophagus is correct?

Correct answer D. It moves food to the stomach by peristalsis but secretes no digestive enzymes

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