The Distinction Between Segmentation and Peristalsis (As Digestive Processes)is Mainly

Question

The distinction between segmentation and peristalsis (as digestive processes)is mainly
A)separating versus rejoining lumps of food.
B)forward movement versus backward movement.
C)holding useful food versus moving wastes along.
D)dividing and squeezing contents of the intestine in one place versus moving food along.
E)before versus after saliva is added.

Accepted Answer

Segmentation refers to the process of dividing and squeezing the contents of the small intestine in one place to mix them with digestive enzymes and facilitate nutrient absorption. Peristalsis, on the other hand, refers to the coordinated muscular contractions that move food along the digestive tract. Segmentation is a localized process that aids digestion, whereas peristalsis is responsible for moving food and waste products through the entire digestive system. None of the other choices accurately describe the differences between segmentation and peristalsis.