shsawatanand30the rhythmic contraction and relaxation of digestive tract like stomach,food pipe to push the food forward is called peristalsis and that movement or waves is called peristaltic movement
Peristalsis is successive waves of muscular contractions and relaxation which moves the food along the digestive tract. Peristaltic movement occurs by relaxation of circular smooth muscles above the bolus and the contraction of longitudinal muscles below the bolus. It helps in properly mixing up of food with digestive enzymes for proper digestion and the movement of the food through the alimentary canal.
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Answer:
Peristalsis is successive waves of muscular contractions and relaxation which moves the food along the digestive tract. Peristaltic movement occurs by relaxation of circular smooth muscles above the bolus and the contraction of longitudinal muscles below the bolus. It helps in properly mixing up of food with digestive enzymes for proper digestion and the movement of the food through the alimentary canal.