The urge to defecate is caused by:
A) constriction of the internal sphincter.
B) the rectum filling with feces.
C) cognitive processes.
D) fluid volume in the stomach.

Name: The urge to defecate is caused by: A) constriction of the internal sphincter. B) the rectum filling with feces. C) cognitive processes. D) fluid volume in the stomach.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The sensation to defecate results from the rectum filling with feces, which in turn stimulates relaxation of the internal sphincter.

The Urge to Defecate Is Caused By