Browse A-Z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9 Respiratory system overview Back Respiratory system overview Air is breathed in through the nasal passageways, travels through the trachea and bronchi to the lungs. A.D.A.M. content is best viewed in IE9 or above, Firefox and Google Chrome browser. Content is best viewed in IE9 or above, Firefox and Google Chrome browser.
Respiratory system overview Back Respiratory system overview Air is breathed in through the nasal passageways, travels through the trachea and bronchi to the lungs.
