Which of the following describes the correct path of air through a bird's respiratory system?

A. trachea, posterior air sacs, lungs, anterior
air sacs, trachea
B. trachea, anterior air sacs, lungs, posterior
air sacs, trachea
C. trachea, lungs, anterior air sacs, posterior
air sacs, trachea
D. trachea, lungs, posterior air sacs, anterior
air sacs, trachea
E. trachea, anterior air sacs, posterior air
sacs, lungs, trachea


A

Biology & Microbiology

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