Biology, asked by Anonymous, 10 months ago

Swallowed food moves downwards in the alimentary canal because of *

1.force provided by the muscular tongue
2.flow of water taken with the food
3.gravitational pull
4.contraction of muscles in the wall of the food pipe

Answers

Answered by shenoyaditya10c

4

Answer:

4

Explanation:

contraction of muscles in the wall of food pipe

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