Answer: Segmentation;do not
Explanation:
The food that we ingest through mouth and the food moves from mouth to esophagus and then from esophagus to intestine followed by stomach.
Segmentation can be defined as the contraction that occurs in large and small intestine. In this process contraction moves the chyme in both directions which allows a better of the secretions with the chyme. This process do not takes place along the tract.
The correct answers are segmentation and do not.