Biology, asked by dbanerjee210, 9 months ago

significance of double respiratory system of birds​

Answers

Answered by Anonymous
0

Answer:

filtration of oxygen double times

Answered by anjali565670
3

Explanation:

The respiratory system of birds facilitates efficient exchange of carbon dioxide and oxygen via continuous unidirectional airflow and air sacs. ... A breath of oxygen-rich inhaled air remains in the respiratory system for two complete inhalation and exhalation cycles before it is fully spent (used) and exhaled out the body

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