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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