The Parts!
A term used to describe emphysema, the lungs produce an excessive a amount of mucus, or bronchitis, a common disease of adults and teens, the membranes lining the larger bronchial tubes become inflamed and an excessive amount of mucus is produced
caused by an abnormal growth of cells in the lungs. Lung cancer is a leading cause of death in the United States and is usually caused by smoking cigarettes
Caused by over 200 different viruses that cause inflammation in the upper respiratory tract