如图为人体血液循环简图图中����表示心脏各腔.请据图回答1肺泡与外界环境进行气体交换是通过�吸运动�吸运动实现的肺泡中的氧气是通过 Template




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tomski如图为人体血液循环简图图中����表示心脏各腔.请据图回答1肺泡与外界环境进行气体交换是通过�吸运动�吸运动实现的肺泡中的氧气是通过 coloring