is the involuntary movement of the muscles that move food through the digestive system.

is the involuntary movement of the muscles that move food through the digestive system.

is the involuntary movement of the muscles that move food through the digestive system.

Answer

Brief Explanations:

Peristalsis is the involuntary muscle - movement that propels food through the digestive system. It consists of rhythmic contractions of smooth muscles.

Answer:

Peristalsis