Outside Mamenchisaurus | AMNH https://www.amnh.org/exhibitions/sauropods-worlds-largest-dinosaurs/outside-mamenchisaurus
For 140 million years, sauropods roamed Earth–but today we have just fossils to tell us about what these animals looked like from the outside. How big were they? How big were their young? What did…
Article Skin In humans, skin is the biggest organ