心脏能将血液泵至全身并保证按一定方�流动不会倒流下列叙述错误的是 A.心脏的肌肉�达b.动脉里有动脉瓣c.心房和心室间有房室瓣d Template




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tomski心脏能将血液泵至全身并保证按一定方�流动不会倒流下列叙述错误的是 a.心脏的肌肉�达b.动脉里有动脉瓣c.心房和心室间有房室瓣d coloring