12.如图为人体�吸系统部分结构示意图据图回答下列问题1从乙图可以看出人体的�吸系统是由4�吸道5肺两部分组成其中5肺 Template




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tomski12.如图为人体�吸系统部分结构示意图据图回答下列问题1从乙图可以看出人体的�吸系统是由4�吸道5肺两部分组成其中5肺 coloring