如图表示人体�吸和血液循环示意图请据图回答1图中abcd表示人体组织细胞与外界进行气体交换的全过程其中过程a表示 过程b表示 Template




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tomski如图表示人体�吸和血液循环示意图请据图回答1图中abcd表示人体组织细胞与外界进行气体交换的全过程其中过程a表示 过程b表示 coloring