Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

And it’s this anatomy that enabled prosauropods to evolve into the largest dinosaurs of all time. So, let’s take a closer look. Specialized lungs and air sacs allowed them to take in more oxygen.

Elenarts/ Shutterstock Dinosaurs' lighter bones were related to their bird-like breathing system. The lighter bones of sauropods and theropods contained air sacs, which worked with their lungs to make ...