Answer:
Peristalsis is also part of mechanical digestion. This refers to involuntary contractions and relaxations of the muscles of your esophagus, stomach, and intestines to break down food and move it through your digestive system.
Explanation:
thx for the points lol
A
there are many factors of our health we cannot control; too many to list. most diseases like cancer are out of your control.
hope this helps!