Which of the following movements propels food along the GI tract?
A. Mixing
B. Churning
C. Segmentation
D. Peristalsis
Answer (1)
The movement that propels food along the GI tract is called peristalsis, which involves wave-like muscle contractions. Other movements like mixing, churning, and segmentation play different roles but do not primarily move food. Thus, peristalsis is the key mechanism for food propulsion in digestion. ;
