Question

cells and body systems online practice
complete this assessment to review what youve learned. it will not count toward your grade.
the movement of food through the gastrointestinal tract by the contraction of muscles is called (1 point)
○ churning.
○ absorption.
○ peristalsis.
○ digestion.

Explanation:

• Churning refers to the mixing of food in the stomach, not the movement through the tract.
• Absorption is the process of nutrients entering the bloodstream, not movement.
• Peristalsis is the rhythmic contraction of muscles (smooth muscle in the gastrointestinal tract) that propels food along.
• Digestion is the breakdown of food into smaller components, not specifically the movement.

Answer:

C. peristalsis