血液循环的动力器官及血液与组织细胞之间进行物质交换的场所分别是a动脉静脉b静脉心脏c心脏毛细血管d心脏肺——青夏教育精英家教�—— Template




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tomski血液循环的动力器官及血液与组织细胞之间进行物质交换的场所分别是a动脉静脉b静脉心脏c心脏毛细血管d心脏肺——青夏教育精英家教�—— coloring