Biology
NULL
Medium
Question
Parabronchi are open at ______________ end/s?
A
Single
B
Both
✓ Official correct answer
C
Do not have opening
D
None of these
Community credibility
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A
Single
No member explanations yet for this option.
B
Both
No member explanations yet for this option.
C
Do not have opening
No member explanations yet for this option.
D
None of these
No member explanations yet for this option.
Explanation
Parabronchi in the avian respiratory system are open at both ends, allowing a continuous, one-way flow of air through them rather than the dead-end airflow seen in mammalian alveoli.