In the respiratory cycle of birds, air flows through the trachea, to the bronchi, and then
A) into the parabronchi.
B) back through the trachea.
C) to the air capillaries.
D) into the posterior air sacs.
E) into the anterior air sacs.

Question

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The Answer of In the respiratory cycle of birds, air flows through the trachea, to the bronchi, and then
A) into the parabronchi.
B) back through the trachea.
C) to the air capillaries.
D) into the posterior air sacs.
E) into the anterior air sacs.

In the Respiratory Cycle of Birds, Air Flows Through the Trachea