________ involve short segments of intestine that alternately contract and relax.They are responsible for ________.
A) Segmental contractions, mixing
B) Peristaltic contractions, pushing a bolus forward
C) Segmental contractions, pushing a bolus forward
D) Peristaltic contractions, mixing

Question

Quizplus · Accepted Answer

Segmental contractions involve short segments of intestine that contract and relax, mixing the contents of the intestine. Peristaltic contractions involve a wave-like movement that pushes a bolus forward along the length of the intestines.

________ Involve Short Segments of Intestine That Alternately Contract and Relax.They