Biology
NULL
Medium
Question
Gaseous exchange in birds occurs at level of _______________?
A
Alveoli
B
Air sacs
C
Bronchi
D
Parabronchi
✓ Official correct answer
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A
Alveoli
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B
Air sacs
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C
Bronchi
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D
Parabronchi
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Explanation
In birds, gas exchange occurs across the walls of the parabronchi within the lungs, which allow a continuous, one-way flow of air for highly efficient oxygen uptake.