Question

the wave of muscular contractions that propels a bolus of food from the mouth, down the esophagus, and into the stomach is called ______ multiple choice segmentation facilitated diffusion peristalsis churnsis

Explanation:

1. Analyze each option:

• Segmentation: Involves mixing and churning in the intestines, not propulsion of food through the esophagus.
• Facilitated diffusion: A type of passive transport for molecules, not related to muscle contractions for food movement.
• Peristalsis: Is the wave - like muscular contraction that moves food through the digestive tract, including from the mouth down the esophagus to the stomach.
• Churning: Occurs in the stomach to mix food, not the propulsion from mouth to stomach through esophagus.

Answer:

C. peristalsis