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# 33 dead space volu
chapter 15 Resp System
| Question | Answer |
|---|---|
| Dead space volume | Air in respiratory passages that does not contribute to gas exchange |
| Expiratory reserve volume (ERV) | Amount of air that can still be exhaled (forcibly) after a normal exhalation |
| Tidal Volume | Respiratory volume inhaled or exhaled during normal breathing |
| Residual volume(RV) | Gas volume that allows gas exchange to go on continously |
| Vital capacity | Total amount of exchangeable air |