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That wavelike movement of the digestive tract is known as peristalsis.
Food travels down the esophagus or intestines by a muscle movement called "Peristalsis" that constantly pushes the food down into the stomach.
Peristalsis who ever asked this is an idiot just look it up on the internet or in a book
Peristalsis
Muscular contractions.
Nonmechanical obstruction, called ileus, occurs because the wavelike muscular contractions of the intestine (peristalsis) that ordinarily move food through the digestive tract stop.
Peristalsis. .
The peristalsis which is a wavelike muscle contraction
Peristalsis
peristalsis
peristalsis
1. A regular rising and falling or movement to alternating sides; movement in waves.2. A wavelike form, outline, or appearance.3. One of a series of waves or wavelike segments.