如图是人体部分组织示意图请据图回答1当人体受到刺激时兴奋只能由a传到b而不能由b传到a的原因是神经递质通过突触时只能由突触前膜传 Template




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Try and sketch some of theseScale, Monastery, Axe, Ice cream parlor, Saddle oxfords, Condo, Pottery, Christmas tree, Wood burning stove, Bubble wrap, view more ideas


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tomski如图是人体部分组织示意图请据图回答1当人体受到刺激时兴奋只能由a传到b而不能由b传到a的原因是神经递质通过突触时只能由突触前膜传 coloring