Question

The swallowed food moves down in the alimentary canal because of a. Force provided by the muscular tongue. b. The flow of water taken with the Food. c. Gravitational pull. d. The contraction of muscles in the wall of Food pipe

Answer 1

Hi mate!!
Your question has been answered here :-

★ The option of your question is (d).
- The contraction of muscles in the wall of oesophagus.

★ Reason - When food enters from mouth to oesophagus. Then contraction and relaxation occurs in the wall of oesophagus which cause the movement of food. And take that food to stomach.

Hope it helps you.

Answer 2

Answer:

the contraction of muscles in the wall of food pipe

Explanation: