Which of the following is a role of the levator ani muscle in defecation?
A) It lifts the anal canal superiorly around the feces.
B) It pushes down on the feces.
C) Its stretch and proprioception properties initiate the defecation reflex.
D) It has no role in defecation, only in inhibiting defecation (it is the external sphincter muscle) .
Correct Answer:
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