Question

the swallowed food moves downward in the alimentary because of
(a) for provided by muscular tongue
(b) gravitational pull
(c) movement of wall of food pipe
(d) flow of water taken into the food ​

Answer 1

Answer:

(a) for provided by muscular tongue

Answer 2

Answer:

all of the above are responsible but if we have to choose only one then the answer is c)movement of wall of food pipe

Explanation: