As the venous blood passes through the lungs, the HCO3- and H+ are transformed by the RBC carbonic anhydrite back into CO2, which then diffuses into the alveolus and is exhaled by the mechanisms of alveolar ventilation.
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释义
当静脉血流经肺脏时,HCO3-和H+被红细胞中的碳酸酐酶转回成co2,co2再弥散进入肺泡,并经过肺泡通气机制排出体外。
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