The characteristic movements of the digestive tract by which food is moved along the cavity of the canal are called:
Correct answer: A. Peristalsis
- A. Peristalsis
- B. Antiperistalsis
- C. Hunger contractions
- D. Hunger pangs
Explanation
Peristalsis is the involuntary contraction and relaxation of longitudinal and circular muscles throughout the digestive tract, allowing for the propulsion of contents beginning in the pharynx and ending in the anus.
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About Digestion
The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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