How does the respiratory system work?

How does the respiratory system work? respiratory system How does the respiratory system work? There are two phases of breathing: in and out As a person inhales, the diaphragm contracts and moves digestive system The upper respiratory tract includes the nasal cavity , pharynx , and larynx All of these organs are involved in conduction, or the movement of air into and

digestive system Human respiratory system, the system in humans that takes up oxygen and expels carbon dioxide The major organs of the respiratory system

muscular system Where does gas exchange between air and the lungs occur? B Distinguish between the conducting portion and respiratory portion of the respiratory tract  Inhalation and exhalation is accomplished by respiratory muscles, namely the diaphragm and intercostal, neck and abdominal muscles The diaphragm contracts and