The Function of Segmentation Is to

The function of segmentation is to

A) move the food through the digestive tract.
B) churn the food and mix the contents with the digestive tract.
C) bring the contents to the wall of the tract where they could be absorbed.
D) produce a wavelike push of the gut contents through the system.
E) churn the food and mix the contents with the digestive tract and also bring the contents to the wall of the tract where they could be absorbed.