Biology for IGCSE & O level - Human Nutrition (Section 6 - No. 36)
Which of the following statements about the oesophagus is correct?
It contains villi for absorption.
It is involved in the initial digestion of food.
It is the site of bile production.
It has circular and longitudinal muscles for peristalsis.
Explanation
The oesophagus is where peristalsis, driven by the contraction of its muscles, moves food towards the stomach.
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