呼吸生理与呼吸力学首都儿科研究所 宋国维 儿科门户网站主要内容 肺换气 肺通气 呼吸力学Terminal airwayTerminal bronchioleAlveolar ductRespiratorybronchiolesSmoothmuscleAlveoliPerfusion of the alveoliCapillariesTerminal bronchioleBranch of pulmonary arteryAlveolusBranch of pulmonary veinRespiratory bronchioleAlveolar designAqueous layerAqueous macrophageLamella body(stores surfactant)Type ll pneumocyte-lining cell(produces surfactant)Type l Lining cellCapillaryCO2O2O2 运输 血浆溶解O2 1.5% (1mmHg 0.003ml ) 血红蛋白结合O2 98.5% (1g 1.34ml )CO2 运输 血浆溶解C