Biology, asked by uma93133, 1 month ago

1. How does gaseous exchange take place Birds

Answers

Answered by fatemafarooqui99

0

Answer:

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Answered by GnanaSrijan

0

Answer:lungsExplanation:The respiratory system of birds facilitate efficient exchange of carbon dioxide and oxygen by using air sacs to maintain a continuous unidirectional air flow through the lungs. ... Then, during the first exhalation, the fresh air in the posterior sacs enters the lungs and undergoes gas exchange

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