图为人体内某结构的血液情况模式图b代表某器官或结构ac代表血管箭头代表血流方�下列叙述正确的是 A.若b为肺则a中流动脉血c Template




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tomski图为人体内某结构的血液情况模式图b代表某器官或结构ac代表血管箭头代表血流方�下列叙述正确的是 a.若b为肺则a中流动脉血c coloring