下图为反射弧结构示意图下列说法中正确的是 A.刺激�处b上有电位变化但a处不收缩b.e为效应器即指相关肌肉或腺体c.兴奋在�处传导 Template




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tomski下图为反射弧结构示意图下列说法中正确的是 a.刺激�处b上有电位变化但a处不收缩b.e为效应器即指相关肌肉或腺体c.兴奋在�处传导 coloring