Question

what is peristaltic motion

Answer 1

Peristalsis, involuntary movements of the longitudinal and circular muscles, primarily in the digestive tract but occasionally in other hollow tubes of the body, that occur in progressive wavelike contractions. Peristaltic waves occur in the esophagus, stomach, and intestines. The waves can be short, local reflexes or long, continuous contractions that travel the whole length of the organ, depending upon their location and what initiates their action.

Answer 2

In our digestive tract the food travels down through peristalsis.
Peristalsis means rthymic contraction and expansion of our muscles of alimentary canal. By which downward movement of food occurs .