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book Zoology 8th Edition by Stephen Miller,John Harley cover

Zoology 8th Edition by Stephen Miller,John Harley

Edition 8ISBN: 978-0073028200
book Zoology 8th Edition by Stephen Miller,John Harley cover

Zoology 8th Edition by Stephen Miller,John Harley

Edition 8ISBN: 978-0073028200
Exercise 2
Flow of water over fish gills maintains a concentration gradient (of gases) between the blood and the water over the length of the capillary bed; this is referred to as a __________ mechanism.
A) osmotic
B) passive
C) countercurrent exchange
D) active
E) currency exchange
Explanation
Verified
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Zoology 8th Edition by Stephen Miller,John Harley
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