Question

The contraction and expansion movement of the walls food pipe is called

Answer 1

Answer:

peristaltic movement

Answer 2

Answer:

The contraction and expansion movement of the walls food pipe is called Peristalsis.

Explanation:

Peristalsis is one of the movement which helps in the movement of food down the oesophagus. There is a series of contraction in the wall both proximal and distal end to the food bolus.

Hope it helps☺