
Zoology 8th Edition by Stephen Miller,John Harley
Edition 8ISBN: 978-0073028200
Zoology 8th Edition by Stephen Miller,John Harley
Edition 8ISBN: 978-0073028200 Exercise 44
Some elasmobranchs and some bony fishes such as the tuna, maintain water flow over the gills by holding the mouth open. This is called __________ ventilation.
A) buccal
B) pneumatic
C) costal
D) active
E) ram
A) buccal
B) pneumatic
C) costal
D) active
E) ram
Explanation
Zoology 8th Edition by Stephen Miller,John Harley
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