1. OF THE RESPIRATORY SYSTEM
MALFUNCTIONS
OF THE RESPIRATORY SYSTEM

2. BRONCHITIS Inflammation of the linings of the bronchial tubes
Air passages become swollen and clogged with mucus
Causes coughing and breathing difficulty
Caused by bacteria or virus

3. BRONCHITIS

4. ASTHMA A severe allergic reaction
Constriction of the bronchioles makes breathing difficult

5. ASTHMA

6. EMPHYSEMA Walls of the alveoli break down Less respiratory surface
Shortness of breath

8. PNEUMONIA Disease caused by bacteria or viruses
Alveoli fill with fluid
Prevents gas exchange

9. LUNG CANCER
Tumors form in the lungs as a result of irregular cell growth