In the esophagus, food moves toward the stomach by coordinated contractions known as ________.
A. defecation
B. mastication
C. peristalsis
D. regurgitation
Answer:C
In the esophagus, food moves toward the stomach by coordinated contractions known as ________.
A. defecation B. mastication C. peristalsis D. regurgitation
Explanation: A) Defecation is elimination of wastes.