Question

What causes movement of food inside the alimentary canal?

NCERT Class X
Science - Exemplar Problems

Chapter_Life Processes

Answer 1

the contraction and expansion of oesophagus is known as peristalsis movement. by, the peristalsis movement the food moves inside the alimentary canal.

Answer 2

Peristalsis mainly causes movement of food inside the alimentary canal. The contraction and expansion of oesophagus is known as Peristalsis movement. In addition other movements of the stomach and intestines like segmentingmovements and sphincter relaxation also help in propellingfood through the alimentary tract.