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体循环和肺循环的途径是什么

更新时间: 2021-04-01 04:15:06     

1、体循环的途径为:动脉血从左心室→主动脉→各级动脉→毛细血管网→各级静脉→上、下腔静脉→右心房。

2、肺循环(小循环)的途径为:静脉血从右心室→肺动脉干及其分支→肺泡毛细血管→动脉血经肺静脉→左心房。

关键词: 体循环 肺循环 途径 什么

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