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 When speaking of non-family social acquaintances, people are generally referred to by a titlefor example, "Mister Zhang", "Mother Li" or "Chu's Wife". Personal names are used when referring to adult friends or to children and are typically spoken completely; if the given name is two characters long, it is almost never truncated. Another common way to reference someone in a friendly way is to call them "Old" (, "Lǎo") or "Little" (, "xiǎo") along with their surname. Many people have a non-Chinese name (typically English) in addition to their Chinese names. For example, the Taiwanese politician Soong Chu-yu is also