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,
Precious (given name) were 154 American girls given the name. In the United States, the name has been used predominantly by African Americans. According to one study, of 454 girls named Precious in California during the 1990s, 431 of them were African American. It remained a popular name in the Philippines, where it was the ninth most popular name given to newborn girls in 2011. There were 394 newborn Filipino girls named Precious in 2011. Precious (given name) Precious is a predominantly feminine given name derived from the English word meaning "of great worth." It is also in occasional use for males. It