Two types of movement occur within the wall of the alimentary canal. in the esophagus, wavelike movements called move food towards the .

In the esophagus, wavelike movements called peristalsis move food towards the stomach.

Explanation:

The esophagus is lined with smooth muscles. The function of the esophagus is to deliver food from pharynx to the stomach.

Peristalsis refers to the wave-like movement generated by the rhythmic contraction of smooth muscles. Alternating contraction and relaxation of smooth muscles that line the cavity of esophagus generate waves. This wave-like movement moves the food from esophagus to the stomach.  

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