Air is the least optimal respiratory medium because ____.
A) air flow increases evaporation of water from the respiratory surface
B) air contains 30 times as much O2as water
C) air is 1,000 times less dense than water
D) air requires more energy to ventilate over the respiratory surface
E) O2diffuses more rapidly in air than in water
Correct Answer:
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Q15: The process of _ is the exchange
Q16: Countercurrent exchange allows for the removal of
Q17: Planes maintain an atmospheric pressure equivalent to
Q18: The _ are air-filled respiratory system structures
Q19: The _ represent an internal respiratory system.
A)
Q21: Air becomes deoxygenated during the _ of
Q22: The _ is/are responsible for closing off
Q23: A _ uses air sacs to ventilate
Q24: The respiratory surfaces of mammalian lungs are
Q25: The primary muscle(s) involved in human breathing
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