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The Institute for Bird Populations - #FunFactFriday Did you know that birds have relatively SMALL LUNGS for such an active animal, BUT they also have the MOST EFFICIENT RESPIRATORY SYSTEM of any
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Pulmonary air-sac system in a bird.a, Latex injection (blue) of the... | Download Scientific Diagram
Animal biology. Zoology; Biology. CLASS AVE3 407 The lungs of birds are not capable of dilation since the thoracic skeleton forms a rigid framework. Breathing is allowed by the presence of
Bird Respiratory System
