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Question

The swallowed food travels downwards in the food pipe because of ______.

A
force provided by the muscular tongue
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B
the flow of water taken with the food
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C
gravitational pull
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D
the contraction of muscles in the wall of the food pipe
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Solution

The correct option is D the contraction of muscles in the wall of the food pipe
The muscles of the oesophagus help in moving the food down the pipe. This movement takes place throughout the food pipe and pushes the food downwards

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