旦大学附属中山医院 Zhongshan Hospital, Fudan University @ Struture and Function Structure U pper respiratory tract Lower Respiratory Tract Terminal respiratory Unite(anatomy of the acinus) Circulation of the Lung www.zshospital.com[Struture and Function] Structure • Upper Respiratory Tract • Lower Respiratory Tract • Terminal Respiratory Unite (anatomy of the Acinus) • Circulation of the Lung