Question

exaplain the significance of peristalsis​

Answer 1

Peristaltic movement of digestive system helps the food to move downwards from mouth to the stomach through oesophagus. It moves the food in a wave like manner by a rhythmic contraction and relaxation of the muscles present in the walls of oesophagus.

Answer 2

Answer:

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• To move the food along throughout the digestive tract so as to move it closer to anus for excretion.
• To make sure the nutrients are being absorbed from the food as well as exposing it to the digestive juices secreted from the digestive system so that it may be entirely digested.