下图为血液循环和气体交换关系图请回答13和4之间的瓣膜是 2和5之间的瓣膜是 2肺循环是指血液由2右心室流入 再 Template




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Try and sketch some of theseCat burglar, Zinnia, Sideburns, Skateboard, Crochet, Honey, Garage, Palm tree, Horn, Shepherd, view more ideas


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tomski下图为血液循环和气体交换关系图请回答13和4之间的瓣膜是 2和5之间的瓣膜是 2肺循环是指血液由2右心室流入 coloring