Buckley says the dates on canned and packaged foods, bottled water and even beer are more an indication of quality not a food safety or health issue. Even the âsell byâ date on milk is only a suggestion.
The chest wall is made up of the ribs and the muscles between the ribs. The lungs are separated by the mediastinum mediastinumThe space in the chest between the lungs, breastbone and spine that contains the heart, great blood vessels, thymus, trachea (windpipe), esophagus and lymph nodes., which contains the heart and other organs.Below the lungs is the diaphragm, a thin muscle that separates the chest cavity from the abdomen. Each lung is divided into lobes (sections): 1  The left lung has 2 lobes. which contains the heart and other organs. Below the lungs is the diaphragm, a thin muscle that separates the chest cavity from the abdomen. Each lung is divided into lobes (sections): 1  The left lung has 2 lobes.
Definition: Mediastinum. The mediastinum is the area in the chest between the lungs, that contains the heart, part of the windpipe (the trachea), the esophagus, and the great vessels including the ascending aorta and right and left pulmonary arteries -- essentially all of the organs in the chest except the lungs.