| A | B |
|---|
| Nicotine | An addictive drug found in tobacco |
| Tar | A thick dark liquid that forms when tobacco burns |
| Carbon Monoxide | A colorless odorless poisonous gas produced when tobacco burns |
| Alveoli | Fragile elastic microscopic air sacs in the lung where carbon dioxide from body cells and fresh oxygen exchange |
| Emphysema | A disease that destroys alveoli |
| Respiratory system | The organs that supply your body with oxygen |
| Trachea | The tube in the throat that takes air to and from the lungs |
| Bronchi | Two tubes that branch from the trachea one tube leads to each lung |
| Diaphragm | large dome shaped muscle in the lungs that expands and relaxeds to produce breathing |
| Psychological | a dependence in which the body developes a chemical need for a drug in order to feel good or function normally |
| Physical | an addiction in which the body developes a chemical need for a drug |
| Epiglottis | Prevents food from entering the trachea |
| Smokeless Tobacco | Placed in the mouth to absorb the nicotine through the blood vessels found there. |
| Increases the heart beat | Nicotine |
| Causes cancer and heart disease | Tobacco |
| Three things the respiratory system does | 1. when you inhale air rushes into your body 2. WHen you exhale air containing carbon dioxide exits through you nose and mouth 3. Oxygen in the air moves into you blood stream. |
| Is the addictive drug found in tobacco | Nicotine |
| What does nicotine do to you heart rate | increases it |
| The three most harmful chemicals found in tobacco | 1. nicotine, 2. tar, 3 carbon monoxide |
