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,
Chinese given name known as "James Soong". In Hong Kong, it is common to list the names all together, beginning with the English given name, moving on to the Chinese surname, and then ending with the Chinese given namefor example, Alex Fong Chung-Sun. Among American-born and other overseas Chinese it is common practice to be referred to primarily by one's non-Chinese name, with the Chinese one relegated to alternate or middle name status. Recent immigrants, however, often use their Chinese name as their legal name and adopt a non-Chinese name for casual use only. Proper use of pinyin romanization means treating a Chinese