Countercurrent exchange allows for the removal of ____ percent of O2from water flowing over gills.
A) 50 - 60
B) 60 - 70
C) 70 - 80
D) 80 - 90
E) 90 - 100
Correct Answer:
Verified
Q11: In humans, _ is involved in both
Q12: Gas exchange between the air and a
Q13: The _ are respiratory structures composed of
Q14: Diffusion of respiratory gases is enhanced by
Q15: The process of _ is the exchange
Q17: Planes maintain an atmospheric pressure equivalent to
Q18: The _ are air-filled respiratory system structures
Q19: The _ represent an internal respiratory system.
A)
Q20: Air is the least optimal respiratory medium
Q21: Air becomes deoxygenated during the _ of
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