Question

Explain respiration in birds in simple words. Please tell fast.... it's urgent.
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Answer 1

Answer:

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

Explanation:

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Answer 2

Explanation:

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