1. How does food move through your digestive tract? A. By gravity B. By wavelike muscle contractions C. By cilia D. By chemical absorption
Explanation: this kind of movement is called as the peristalsis movement in which the layer of muscle that enables their walls to move. The movement pushes food and liquid through your GI tract and mixes the contents within each organ. This movement is necessary to send food to stomach for further digestion.
