9.如图是人体�吸的示意图其中�表示肺泡与外界的气体交换�表示肺泡内气体交换�表示气体在血液中的运输�表示组织间气体交换.请回答1 Template




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tomski9.如图是人体�吸的示意图其中�表示肺泡与外界的气体交换�表示肺泡内气体交换�表示气体在血液中的运输�表示组织间气体交换.请回答1 coloring