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vocabulary
L26
| Question | Answer |
|---|---|
| oxygen | a gas necessary for cells to live |
| trachea | windpipe |
| pharynx | throat; divides into trachea and esophagus |
| larynx | voice box; located above the trachea |
| epiglottis | flap of cartilage that covers the trachea when you swallow |
| respiratory system | nose, lungs, throat, trachea |
| bronchial tube | a tube that leads from the trachea to the lung |
| exhale | to breathe out |
| inhale | to breathe in |
| diaphragm | large muscle that helps you breathe |