How much of O2 from water flowing over gills is extracted by countercurrent exchange?
A) 50% to 60%
B) 60% to 70%
C) 80% to 90%
D) 90% to 100%
Correct Answer:
Verified
Q11: Which respiratory surface property enhances the diffusion
Q12: Which of the following encourages the movement
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Q14: Which of the following is involved in
Q15: Which of the following air-filled respiratory system
Q17: What is the gas transport cascade?
A) a
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Q19: If N2 gas comprises 79% of atmospheric
Q20: Through what process is O2 transported into
Q83: Alveoli are surrounded by pulmonary capillaries .
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