如图是人体内气体交换过程的示意图请分析回答下列问题1甲图表示的是 乙图表示的是 .2从a c血液成分�生的变化是 从f d血液 Template




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tomski如图是人体内气体交换过程的示意图请分析回答下列问题1甲图表示的是 乙图表示的是 .2从a coloring