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默沙东 诊疗手册

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Gas Exchange Between Alveolar Spaces and Capillaries
Gas Exchange Between Alveolar Spaces and Capillaries
Gas Exchange Between Alveolar Spaces and Capillaries

呼吸系统的功能是运输氧气和二氧化碳两种气体。气体交换发生在肺部数以百万计的肺泡和包围它们的毛细血管中。如下所示,吸入的氧气从肺泡进入毛细血管的血液中,二氧化碳从毛细血管的血液中移出至肺泡。