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肺的主要生理功能是将右心室输出的混合静脉血,及时地转变成为动脉血,其目的在于供给全身细胞以氧,同时将组织中不需要的二氧化碳排出体外;以维持机体生活的
The main physiological function of the lung is the right ventricle output of mixed venous blood in a timely manner into arterial blood, its purpose is to supply the body’s cells with oxygen, while the tissue of unwanted carbon dioxide excreted; to maintain the body’s life