Tidal ventilation is
A) when the ventilatory medium moves in and out of the respiratory chamber.
B) bulk flow of water across the respiratory surfaces of cnidarians.
C) the movement of water over the gills in most fish.
D) when the partial pressure of oxygen in the medium is variable in a diurnal rhythm.
Correct Answer:
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Q12: A lamprey is capable of
A)tidal ventilation.
B)unidirectional ventilation.
C)both
Q13: The best way to explain cutaneous respiration
Q14: Which of the following factors is NOT
Q15: Sea cucumbers have internal respiratory sacs called
A)respiratory
Q16: Blood flow through the gills of an
Q18: In terms of the ideal gas law,if
Q19: In crustacean respiration,ventilation happens when water moves
Q20: Ram ventilation is used by
A)feeding lampreys.
B)cnidarians.
C)swimming fish.
D)turtles.
Q21: Blood CO₂ content is carried in the
Q22: The shape of an alveolus is
A)round.
B)tubular.
C)polygonal.
D)elliptical.
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