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Press Release 05-118
Study Documents Bird-like Breathing Systems in Long-extinct Dinosaurs
Findings bolster link between birds and T. rex
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New evidence shows the predatory dinosaur, Majungatholus atopus, had a very bird-like pulmonary system.
Credit: Nicolle Rager Fuller, National Science Foundation |
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The pulmonary air-sac systems of dinosaurs and birds exhibit striking similarities, including predicted regions air of sac integration into the skeleton. The air sacs act like bellows to move air through the rigid lungs.
Credit: Zina Deretsky, National Science Foundation |
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