Respiratory zone
From Freepedia
The respiratory zone is the site of O2 and CO2 exchange with the blood.
The respiratory bronchioles and the alveolar ducts are responsible for 10% of the gas exchange. The alveoli are responsible for the other 90%.
| Respiratory system | edit |
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Nose - Nasal cavity - Pharynx - Larynx - Trachea - Lungs - Conducting zone - Respiratory zone |
