下图是人体部分生理活动示意图请据图回答下列问题1肺泡与外界进行气体交换是通过 实现的肺泡中的氧气是通过 作用进入血液的2图中所 Template




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tomski下图是人体部分生理活动示意图请据图回答下列问题1肺泡与外界进行气体交换是通过 实现的肺泡中的氧气是通过 作用进入血液的2图中所 coloring