Peristalsis is repeated waves of contractions of circular muscles which prevent food from moving backward in the esophagus, but segmentation in the small and large intestines shifts food back and forth along the intestinal walls.

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Peristalsis involves rhythmic contractions that move food through the digestive tract, preventing backward movement, while segmentation in the intestines mixes food with digestive juices and aids in nutrient absorption by moving it back and forth.

Peristalsis Is Repeated Waves of Contractions of Circular Muscles Which