Multiple Choice
The great efficiency of gills is derived from
I-the countercurrent flow of water over the gills.
II-the blood within the gills.
III-increasing the temperature of the blood to the gills.
A) I and III
B) just II
C) just I
D) I,II,and III
E) I and II
Correct Answer:
Verified
Correct Answer:
Verified
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