| A | B |
|---|
| EMPHYSEMA | Air sacs in the Lungs lose their elasticity |
| NICOTINE | Addictive substance in tobacco |
| CANCER | Abnormal growth of cells |
| CARBON MONOXIDE | Poisonous gas produced by tobacco smoke |
| ALVEOLI | Air sacs in the lungs |
| CILIA | Tiny, hairlike structures that filter out harmful substances in the respiratory tract |
| SNUFF | Finely ground tobacco that is sniffed or held between the cheek and gum |
| ATHEROSCLEROSIS | Fatty deposits block the arteries |
| LEUKOPLAKIA | White spots on the inside of the mouth that may become cancerous |
| TAR | Dark, sticky substance in tobacco that causes cancer |
| BRONCHIOLES | Narrow air tubes in the lungs |
| LUNGS | Organs responsible for oxygen and carbon dioxide exchange |
| HEMOGLOBIN | Substance in red blood cells that carries oxygen to all cells |
| CARCINOGEN | Cancer-causing agent |
| ANOXIA | Decrease in the oxygen level in the body |
| BENZOPYRENE | Cancer-causing chemical in cigarette smoke |
| CHRONIC BRONCHITIS | Excessive secretions of mucus in the bronchial tubes |
| PEPTIC ULCER | An open sore in the stomach lining |
| SINUSITIS | Swelling and reddening of the sinuses |
| CARDIOVASCULAR DISEASE | Disease of the heart and blood vessels |
