| Question | Answer |
| Respiratory | to breath again |
| Inspiration | breathing in or inhalatio |
| Expiration | breathing out or exhalation |
| alveoli | clusters of air sacs; functional of units of lung |
| dyspnea | difficult or painful breathing |
| Respiration | exchange of gases, oxygen and carbon dioxide |
| External Respiration | occurs between outside enviromental lungs |
| ox/o,oxia, o2 | combining forms for oxygen |
| carbon dioxide | controls rate of breathing |
| internal respiration | exchange of oxygen co2 @ cellular level |
| tachypnea | fast breathing |
| pnemon/o, pneum/o,pulmon/o | combining forms for lungs |
| right lung | 3 lobes, superior, middle, inferior |
| left lung | 2 lobes, superior, inferior |
| Diaphragm | muscle of respiration |
| eupnea | normal breathing |
| pleura | 2 membranes that enclose protect each lung |
| parietal pleura | outer layer of lining attached to chest wall |
| visceral pleura | inner layer of lungs |
| hemoptysis | coughing up spitting blood |
| COPD | chronic obstructive pulmonary disease |
| pnemonitis ,pneumonia | inflammation of lungs |
| pharyng/o | combining form throat/pharnyx |
| epiglottis | prevents food from entering lungs |
| larnyx | voice box |
| trachea | windpipe |