如图是心脏结构的解剖示意图据图回答1在心脏中心壁肌肉最厚的是左心房2a与bc与d之间的瓣膜是房室瓣3血液流经肺部毛细血管�时 Template




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tomski如图是心脏结构的解剖示意图据图回答1在心脏中心壁肌肉最厚的是左心房2a与bc与d之间的瓣膜是房室瓣3血液流经肺部毛细血管�时 coloring