下图为�吸过程示意图请据图回答下列问题1人体内的气体交换包括 和 两个过程它们都是通过 完成的而a过程则是通过 完成的2b Template




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tomski下图为�吸过程示意图请据图回答下列问题1人体内的气体交换包括 和 两个过程它们都是通过 coloring