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Author Question: Circulatory systems have the primary benefit of overcoming the shortcomings of A (Read 1317 times)

luvbio

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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

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Reply #1 on: Sep 9, 2013
Choose B

GL


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