mikeygreen1114 mikeygreen1114
  • 02-07-2019
  • Biology
contestada

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.

Respuesta :

BarrelCrayon BarrelCrayon
  • 02-07-2019

Answer:

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

Explanation:

not sure

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