Gastric juice in the stomach starts protein digestion. The diaphragm separates the lungs from the stomach and intestines. Gastric diseases refer to diseases affecting the stomach. They are absorbed well from the stomach and intestinal mucosa. Gastric juice in the stomach also contains pepsinogen. Gastric acid is one of the main secretions of the stomach. "Gastrointestinal" is an adjective meaning of or pertaining to the stomach and intestines. This is the gastric compartment of the ruminant stomach. Bleeding ulcers leading to stomach rupture are rare. Holyfield claimed his performance was hindered by stomach and leg cramps. Lying behind the stomach is the pancreas. Fried cockroaches are ground and sold as pills for stomach, heart and liver diseases. There was blood mixed with the food in the stomach. Peggy seeks medical care for severe stomach pain. This membrane keeps the blood separate from anything else in the stomach.