Respuesta :
Answer:
Peristalsis Is the Contraction of Muscle Tissue That Helps Move and Break Down Foodstuffs.
Explanation:
The walls of the alimentary canal include layers of smooth muscle controlled by the autonomic nervous system. The alternating contraction and relaxation of these muscles is called peristalsis.
Pertistalsis. This is a series of wave-like muscle contradictions that moves food to different places in the digestive tract. The process begins in the esophagus when food is swallowed.
