下图是血液循环和气体交换示意图请据图回答问题�心脏是一个主要由 组织组成的器官�四个腔中心脏壁最厚的是 与其相连的血管是 Template




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tomski下图是血液循环和气体交换示意图请据图回答问题�心脏是一个主要由 组织组成的器官�四个腔中心脏壁最厚的是 与其相连的血管是 coloring