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Avian dinosaurs --aka birds--have a streamlined way of breathing . Instead of sending air in and out of tiny sacs in the lungs like some other animals do, their breath flows in a single direction through a series of tubes. A new study reveals that birds are not alone in this adaptation: alligators also rely on this one-way inhale/exhale, suggesting that this form of respiration emerged a lot earlier in evolutionary time than had been previously thought. [More]

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Avian dinosaurs --aka birds--have a streamlined way of breathing . Instead of sending air in and out of tiny sacs in the lungs like some other animals do, their breath flows in a single direction through a series of tubes. A new study reveals that birds are not alone in this adaptation: alligators also rely on this one-way inhale/exhale, suggesting that this form of respiration emerged a lot earlier in evolutionary time than had been previously thought. [More]

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Avian dinosaurs --aka birds--have a streamlined way of breathing . Instead of sending air in and out of tiny sacs in the lungs like some other animals do, their breath flows in a single direction through a series of tubes. A new study reveals that birds are not alone in this adaptation: alligators also rely on this one-way inhale/exhale, suggesting that this form of respiration emerged a lot earlier in evolutionary time than had been previously thought. [More]

Add to digg Add to StumbleUpon Add to Reddit Add to Facebook Add to del.icio.us Email this Article

 

Avian dinosaurs --aka birds--have a streamlined way of breathing . Instead of sending air in and out of tiny sacs in the lungs like some other animals do, their breath flows in a single direction through a series of tubes. A new study reveals that birds are not alone in this adaptation: alligators also rely on this one-way inhale/exhale, suggesting that this form of respiration emerged a lot earlier in evolutionary time than had been previously thought. [More]

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