Respiratory zone

Respiratory zone

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%.

The respiratory zone represents the 16th through the 23rd division of the respiratory tract.

External links

* [http://sprojects.mmi.mcgill.ca/resp/anatomy.swf Flash overview at mcgill.ca]
* [http://www.gdn.edu/Faculty/pjen/Anatomy%20and%20physiology%202211K%20-%20lecture%205%20notes_files/image019.jpgDiagram at gdn.edu]


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