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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 |