Question

repeated, wavelike smooth muscle contractions in the gi tract that move food through the tract are called
deglutition.
mastication.
gastritis.
peristalsis

Explanation:

Deglutition is swallowing, mastication is chewing, gastritis is inflammation of the stomach lining. Peristalsis are the wave - like smooth muscle contractions in the GI tract that move food.

Answer:

peristalsis