如图甲是人体内三种血管的关系示意图其中箭头表示血液流动方�乙图表示��血管血液中的气体含量则下列判断正确的是 甲 乙 A.�血管为体静脉 Template




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tomski如图甲是人体内三种血管的关系示意图其中箭头表示血液流动方�乙图表示��血管血液中的气体含量则下列判断正确的是 甲 乙 coloring