右图为人体血液循环示意图据图回答以下问题 1写出图中下列标号中结构名称a E 2通过f处气体交换后血液由 血变成 血 Template




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tomski右图为人体血液循环示意图据图回答以下问题 1写出图中下列标号中结构名称a e coloring