One advantage of gas exchange in water is that
A) ventilating gills in water requires very little energy.
B) carbon dioxide is easier to eliminate in water than in air.
C) it is easy to keep the exchange surface wet.
D) water can contain more oxygen than air.
Correct Answer:
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Q1: The function of passageways for gas exchange
Q2: The body structure where gas exchange occurs
Q3: Which of the following organisms has a
Q5: The maximum amount of air that a
Q6: Why do cigarette smokers cough more than
Q7: A waste product of respiration is
A)electrons.
B)glucose.
C)carbon dioxide.
D)hydrogen
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Q9: Air leaving human lungs during exhalation contains
A)no
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A)take up CO2 from
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