ANATOMY ll
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SECTIONS |
| GENERAL
FACTS CLASSIFICATION ANATOMY l NEWS and ARTICLES DINOSAUR PICTURES GLOSSARY ADVANCED TOPICS EXTINCTION THEORIES EXHIBITS FUN and ACTIVITIES DISCUSSION GROUPS CHAT ROOMS |
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INSIDE A DINOSAUR |
| HEART-LUNG
SYSTEM A dinosaur's heart-lung system may have functioned like those of warm-blooded humans or cold-blooded reptiles. The bipedal Theropods ('beast feet') include all known predatory dinosaurs, probably had efficient hearts that kept their body temperatures high, as in birds or mammals. |
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