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Respiratory System
| Term | Definition |
|---|---|
| Respiration | process by which body uses oxygen and releases CO2 |
| Respiratory System | group of organs that take in oxygen and release CO2 |
| Pharynx | throat |
| Larynx | part of throat that contains vocal cords |
| Trachea | windpipe |
| Alveoli | tiny air sacs in lungs where oxygen and CO2 are exchanged |
| Lung disease | any disease that affects the lungs |
| Asthma | person has difficulty breathing; could be caused by an allergic reaction |
| Emphysema | disease linked to smoking; alveoli have been damaged |
| Nicotine | addictive chemical found in cigarettes and e-cigarettes |
| E-Cigarette | nicotine delivery device |
| Bronchitis | Two types: acute and chronic |
| Path of air through respiratory system | Pharynx, Larynx, Trachea, Bronchi, Lungs |
| Diaphragm | thin sheet of muscle under lungs |
| Epiglottis | tiny flap that directs air to pharynx and food to stomach |
| Involuntary | your body just breathes naturally |
| Cystic Fibrosis | blocked air passages; may die at young age |