MedlinePlus Medical Encyclopedia: Respiratory system overview

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Respiratory system overview

Air is breathed in through the nasal passageways, travels through the trachea and bronchi to the lungs.

Update Date: 1/5/2007

Updated by: Thomas A. Owens, M.D., Departments of Internal Medicine and Pediatrics, Duke University Medical Center, Durham, NC. Review provided by VeriMed Healthcare Network.

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