Question

why is it necessary to move the food in a regulated manner along the digestive tube

Answer 1

These peristaltic movements occur all along the gut. In this way, food is passed through the digestive tube in a regulated manner. It is necessary to move the food in a regulated manner along the digestive tube so that it can be processed properly in each part.
It is necessary to move the food in a regulated manner along the digestive tube so that it can be processed properly in each part and provide the required vitamins and protein to the human body. Answer: ... It takes place throughout the gut.