Lesson: Chapter 6 — Human body processes

From the mouth to the stomach 3 of 5 Reset answers

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Question 3

How is food moved along the oesophagus?

A By waves of muscle contraction — peristalsis B By gravity alone C By air pressure D By the tongue pushing it

The right answer is the one marked above.

By waves of muscle contraction — peristalsis. The contractions and relaxations of the muscular wall push the bolus forward.

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