PGY 300

Interactions of Major Organ System of Human Body ○ Respiration involves ventilation (breathing), gas exchange (between air and capillaries in lung or systemic capillaries and tissues of body), and oxygen utilization (cellular respiration) ○ Respiration as two separate processes: gas exchange and cellular metabolism ■ Pulmonary respiration: primarily obtain oxygen for use via cells of body and to eliminate carbon dioxide produced by cells ● Pulmonary gas exchange: ventilation (betwe...