Both the liver and the lungs are very important organs in the human body, of which the liver is the largest substantial organ in the body, with metabolic, detoxification, and immune functions, while the lungs are mainly respiratory functions for gas exchange. The lungs are located in the chest, one on each side of the thorax, the majority of the liver is located in the upper right side of the abdomen, a small portion will be located in the left upper abdomen, the upper edge of the liver and the dome of the diaphragm is consistent with the body surface is probably in the right side of the fifth intercostal space, the lower edge of the lower edge of the right costal arch does not usually exceed the lower edge of the right rib arch. Therefore, the liver cannot be palpated during the physical examination under normal circumstances, but it can move up and down with respiration and changes in body position.