如图是血液循环和气体交换示意图请据图回答1图中的6指的是 7指的是 .2图中1是指 2是 3是 4是 .3血液是2射出 Template




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tomski如图是血液循环和气体交换示意图请据图回答1图中的6指的是 7指的是 .2图中1是指 coloring