Occupational Safety and Health Administration. 1  Department of Labor, Labor Department, DoL, Labor - the federal department responsible for promoting the working conditions of wage earners in the United States; created in 1913.
The oxygen and carbon dioxide exchange take place in the alveoli. Primary bronchi are located on the upper portion of the lungs, secondary bronchi is located at the center of the lungs and tertiary bronchi is located near bottom of the organs above the bronchioles.
  The diaphragm is a large muscle just below the lungs. It help us breathe.   The diaphragm is located inferior to the lungs and deep in the thoracic cavity. Diaphragm â¦ is present in upper side of the abdomen and lower side of the chest. You need to see the original diaphragm in the dissected body.That is very beautiful structure to see.8 people found this useful. Ahmadbtm.our diaphragm is located below your lungs. When you relax your muscles, your diaphragm is shaped like a dome.