图一为�吸系统的组成示意图图二为肺泡与毛细血管之间的气体交换示意图.请据图回答下列问题1人体进行�吸的主要器官是图一中的2肺 Template




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tomski图一为�吸系统的组成示意图图二为肺泡与毛细血管之间的气体交换示意图.请据图回答下列问题1人体进行�吸的主要器官是图一中的2肺 coloring