Inner breathing means
A、CO2inpulmonarycapillariesflowintothealveoli
B、gasexchangebetweentissuecellsandcapillaryblood
C、gasexchangebetweenlungcapillariesandenvironment
D、O2inalveoliflowintothepulmonarycapillaries
发布时间：2025-11-28 01:32:47
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