BIOLOGY: Respiratory System
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18 terms
Terms | Definitions |
|---|---|
 # of heartbeats per breath | 5 |
| ___% of what you breath is oxygen | 21 |
| Parts of the Respiratory System | Mouth, Nose, Larynx, Trachea, Bronchi, Bronchioles, Lungs, Alveoli |
| Function of the Respiratory System | Supplying Blood w/ oxygen and remove CO2; Vocalize; Water balance |
| larynx | Made of rings of cartilage; attached to tongue includes epiglottis |
| Epiglottis | trap door that stops food from going into lungs |
| Uvula | Directs food, dangles in back of throat |
| Vocal Chords | In larynx; made of cartilage; thicker=deeper voice; testosterone makes them thicker |
| Lower Respiratory Track | Trachea and Lungs |
| Trachea | Cartialge and muscle; horse shoe shaped rings; cartilage keeps it open |
| Lungs | Left and Right |
| Left lung | Narrower, longer, two lobes |
| Right lung | Short, fat, 3 lobes |
| Bronchi | The passages that branch from the trachea and direct air into the lungs; Right and left |
| Left Bronchus | Straight across things |
| Right Bronchus | More vertical, bigger |
| Bronchioles | smallest at end of bronchis |
| Alveoli | Only place you can exchange gasses; made of squamous cells; make up the lungs |
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