Barosaur -

: Studies of its vertebrae have identified "pneumatic hiatuses," indicating it possessed complex air sac systems similar to modern birds, which would have helped lighten its massive frame. Public Exhibits and Impact

: Its extreme neck length has led to intense speculation about its cardiovascular system. To pump blood to its head, Barosaurus would have required an exceptionally large heart and high blood pressure, leading to some (largely dismissed) theories that it may have had as many as eight hearts. barosaur

Installation art in the service of science | EXTINCT MONSTERS : Studies of its vertebrae have identified "pneumatic

: Research has sometimes confused Barosaurus fossils with Supersaurus due to the massive size of individual vertebrae. barosaur