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,
Dana (given name) mainly by Arabs of the Persian Gulf (Eastern Arabia), due to their traditional pearl diving professions wherein they gave different type of pearls names. It is used in the Arab world as a female name. In Hebrew, the name Dana means "arbiter" or "God is my judge". In Sanskrit and Pali, the word means "generosity". In Romanian and Czech, it is a feminine name, derived from the name Daniela; the masculine form being Dan/Daniel. Dana (given name) Dana is a given name used for both genders. It was among the 100 most popular names given to girls born in the