Defecation following a meal is usually the result of
A) mass movements stimulated by the gastrocolic and duodenocolic reflexes moving feces towards the rectum.
B) segmentation movements stimulated by the duodenocolic reflexes.
C) peristalsis in the small intestine initiated by entry of chyme into the duodenum.

Question

Quizplus · Accepted Answer

The gastrocolic and duodenocolic reflexes stimulate mass movements in the colon, moving feces towards the rectum following a meal, which can lead to the urge to defecate.

Defecation Following a Meal Is Usually the Result of