Refer to the figure showing the respiratory system in birds.
In the respiratory cycle of birds, air flows
A) through the trachea, to the bronchi, to the posterior air sacs, and then into the parabronchi.
B) through the bronchi, to the trachea, to the parabronchi, and then into the posterior air sacs.
C) through the trachea, to the parabronchi, to the bronchi, and then into the posterior air sacs.
D) through the trachea, to the parabronchi, to the posterior air sacs, and then into the bronchi.
E) through the trachea, to the posterior air sacs, to the parabronchi, and then to the parabronchi.
Correct Answer:
Verified
Q20: Which statement about respiratory adaptations is true?
A)
Q21: Which feature characterizes the lungs of mammals?
A)
Q22: Refer to the figure showing a countercurrent
Q23: In the respiratory cycle of birds, air
Q24: Which of the following represents the
Q26: The delicate gills of fishes are protected
Q27: The rate of gas exchange in mammals
Q28: Which statement about the structure of the
Q29: Refer to the graph showing a spirometer
Q30: Tidal breathing decreases the efficiency of gas
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