Biology, asked by ThakurSarvesh, 11 months ago

comments on respirationin aves

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Answered by shamida068

0

Explanation: Birds do not have a diaphragm; instead, air is moved in and out of the respiratory system through pressure changes in the air sacs. ... Bird lungs do not expand or contract like the lungs of mammals. In mammalian lungs, the exchange of oxygen and carbon dioxide occurs in microscopic sacs in the lungs, called 'alveoli.'

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