How respiration occurs in mammals to respiration in birds?

1.	How respiration occurs in mammals to respiration in birds?
Answer» Unidirectional flow means that air moving through BIRD lungs is largely 'fresh' air & has a HIGHER oxygen content. In contrast, air flow is 'bidirectional' in MAMMALS, moving back and forth into and out of the lungs. ... So, in bird lungs, more oxygen is available to diffuse into the blood (avian respiratory SYSTEM). Mark as a brainliest

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Unidirectional flow means that air moving through BIRD lungs is largely 'fresh' air & has a HIGHER oxygen content. In contrast, air flow is 'bidirectional' in MAMMALS, moving back and forth into and out of the lungs. ... So, in bird lungs, more oxygen is available to diffuse into the blood (avian respiratory SYSTEM).

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How respiration occurs in mammals to respiration in birds?

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