Question

How does food move through the digestive tract?

through the opening and closing of valves
through the movement of valves
by peristalsis, the wave-like motion of special muscles
by swallowing

Answer 1

Food moves through the digestive tract by using the process of Peristalsis which is a involuntary constriction and relaxation of the muscles of the intestine or another canal, creating wave-like movements that push the contents of the canal forward.

Answer 2

Answer: Los alimentos son transportados a través del tracto gastrointestinal mediante un proceso llamado peristalsis. Los órganos grandes y huecos del tracto gastrointestinal contienen una capa muscular que permite que sus paredes se muevan.

Step-by-step explanation: