| A | B |
|---|
| asthma | difficulty in breathing because the bronchioles become constricted |
| bronchitis | inflammation of the bronchi |
| collapsed lung | alveoli are not inflated |
| common cold | infection of the mucous membranes lining the respiratory system |
| emphysema | degenerative condition in which the lungs (alveoli) loose their elasticity |
| hay fever | sneezing, running nose, and itching of eyes caused by an allergic reaction to pollen |
| hiccuping | irregular contractions of the diaphragm which the glottis is closed |
| lung cancer | abnormal growths of tissue on the lung |
| pleurisy | an inflammation of the pleural membrane |
| pneumonia | inflamation of the lung by bacteria or a virus |
| tubrculosis | formation of tubercles (bumps) on the lung |
