Breathe
TED Radio Hour
The Origins of Dinosaurs' Lungs
Emma Schachner says not all animals have the same kinds of lungs or breathe the same way. She thinks since there was less oxygen, only some animals, like maybe dinosaurs, were easily able to breathe the Triassic air and flourish. So how do we know what dinosaur lungs were even like? Since all that remains of a dinosaur generally is its fossilized skeleton. And in this specific instance, the skeleton of dinosaurs most closely resembles that of modern birds.
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