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Defecation a. is initiated by distension of the wall of the colon. b. depends on voluntary control of the external sphincter of the anus. c. depends on the motor impulses from s…

Defecation a. is initiated by distension of the wall of the colon. b. depends on voluntary control of the external sphincter of the anus. c. depends on the motor impulses from s…
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5 votes
Defecation

a. is initiated by distension of the wall of the colon.
b. depends on voluntary control of the external sphincter of the anus.
c. depends on the motor impulses from sympathetic pathways.
d. decreases pressure in the rectum.

asked
User Berry Tsakala
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1 Answer

5 votes

Answer:

A. is initiated by distension of the wall of the colon

Step-by-step explanation:

not sure

answered
User Emaborsa
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