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.
meâ¢diâ¢asâ¢tiâ¢num. 1. a median septum or partition between two parts of an organ or paired cavities of the body. 2. the area in the chest that lies between the lungs, is bounded by the sternum, the spinal column, and the diaphragm, and contains the heart, esophagus, trachea, and other thoracic structures.mediastÄ«nus middle class, derivative of Latin medius mid 1 ]. me`diâ¢asâ¢tiâ²nal, adj.. mediastinum-the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus. bodily cavity, cavum, cavity - (anatomy) a natural hollow or sinus within the body.