Question

is the involuntary movement of the muscles that move food through the digestive system.
peristalsis
salivation
digestion
secretion

Explanation:

• Peristalsis refers to the wave-like involuntary muscle contractions that propel food through the digestive tract.
• Salivation is the release of saliva, a digestive fluid, not muscle movement.
• Digestion is the breakdown of food, not the movement of food.
• Secretion is the release of digestive fluids/enyzmes, not muscle movement.

Answer:

Peristalsis