The heart by-passes the lungs and re-circulates this oxygen-depleted blood to less important areas instead helping crocodiles stay submerged for up to an hour. The heart also helps to make the ...

The study, published in Royal Society Open Science, compared dinosaur lungs to those of living crocodilians, such as crocodiles and alligator, and the lungs of modern-day bird species, such as the ...

National Geographic writes that crocodiles and alligators “use their lungs like floats, and shift them about their torso using four sets of muscles.” Zoologist Adam Britton told Newsweek ...