| A | B |
|---|
| respiration | the process in which a body gets and uses oxygen and releases carbon dioxide |
| respiratory system | a collection of organs whose function is to take in oxygen and expel carbon dioxide |
| pharynx | the passage from the mouth to the larynx and esophagus |
| larynx | the part of the throat which contains the vocal chords and produces vocal sounds |
| trachea | the "windpipe"; tube that connects the larynx to the lungs |
| bronchi | one of the two tubes that connects the lungs to the trachea |
| alveoli | tiny sacs where carbon dioxide and oxygen are exchanged |
| bronchioles | smaller tubes which branch off of the bronchi |
| diaphragm | dome-shaped muscle beneath the lungs; contracts when you inhale and expands when you exhale |
