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肺循環
释义
肺循環
fèi xún huán
心脏收缩的时候,右心室中含有二氧化碳的血液,经过肺动脉流入肺部,在肺内进行气体交换,排出多余的二氧化碳,吸收新鲜的氧气,经过肺静脉流入左心房,再流入左心室。血液的这种循环叫做肺循环,也叫小循环。携运右心室的静脉血,经过肺脏,并将带氧血送回左心房的循环。也称为「小循环」。
肺循环
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更新时间:2025/7/24 21:47:04