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,
Healthy digestion foods are more quickly or completely digested than others. Many events can disrupt digestion. Disrupted digestion can have many symptoms, including diarrhea, constipation, heartburn, bloating, flatulence, and indigestion. Some people have chronic medical conditions which disrupt their digestion. Other people might be taking a drug which disrupts their digestion. In those cases, the person's goals for healthy digestion might be to have their personal best possible digestion since they have other health problems to manage. Food intolerance can disrupt digestion. Whenever possible, it is easier for a person to prevent digestive problems from happening rather than to seek to treat