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.
Words to Know. Alveoli: Tiny air-filled sacs in the lungs where the exchange of oxygen and carbon dioxide occurs between the lungs and the bloodstream. Bronchi: Two main branches of the trachea leading into the lungs. Bronchial tree: Branching, air-conducting subdivisions of the bronchi in the lungs.