In the food pipe, the food bolus is propelled into the stomach by peristaltic movement. Represent this action with a diagram

In the food pipe, the food bolus is propelled into the stomach by peristaltic movement.Represent this action with a diagram.
A.
with-the-help-of-a-diagram-show-the-movement-of-food-from-mouth-to-the-stomach-what-muscles-and-nerves-are-involved-in-the-movement-of-food-and-what-is-this-action-called-46