Physiology of dinosaurs way as sauropods. The pachycephalosaurs had small heads and weak jaws and teeth, but their lack of large digestive systems suggests a different diet, possibly fruits, seeds, or young shoots, which would have been more nutritious to them than leaves. On the other hand, ornithopods such as "Hypsilophodon", "Iguanodon" and various hadrosaurs had horny beaks for snipping off vegetation and jaws and teeth that were well-adapted for chewing. The horned ceratopsians had similar mechanisms. It has often been suggested that at least some dinosaurs used swallowed stones, known as gastroliths, to aid digestion by grinding their food in muscular gizzards,
Nana (given name) Nana (given name) Nana is a given name that has different origins in several countries across the world. Its use as a feminine or masculine name varies culturally. It is feminine in Japan, Korea, Georgia and Greece, and it is masculine in Ethiopia and India, and epicene in Ghana and Indonesia. In Georgia, Nana is the fifth most popular given name for girls. In Ghana, among the Akan people, particularly the Akyem, Ashanti and Akuapim peoples, Nana is used as the title of a monarch to signify their status. Furthermore, the stool name of kings and queens is always preceded