The swallowed food moves downwards in the alimentary canal because of [NCERT Exemplar]
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 foodpipe
Answer:D
The swallowed food moves downwards in the alimentary canal because of [NCERT Exemplar]
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 foodpipe