Circulatory systems have the primary benefit of overcoming the shortcomings of A

Author Question: Circulatory systems have the primary benefit of overcoming the shortcomings of A (Read 1309 times)

luvbio

Hero Member
Posts: 623

on: Sep 7, 2013

Circulatory systems have the primary benefit of overcoming the shortcomings of
A) temperature differences between the lungs and the active tissue.
B) the slow rate at which diffusion occurs across cells.
C) communication systems involving only the nervous system.
D) having to cushion animals from trauma.
E) fetal organisms maintaining an optimal body temperature.

coco

Hero Member
Posts: 739

Reply #1 on: Sep 9, 2013

Choose B

GL

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