题目内容

神经-肌肉接头的结构特点是（）

A. 接头前膜为运动神经元轴突末稍
B. 接头前膜为自主神经末稍
C. 接头后膜有N2受体
D. 接头后膜有M受体
E. 为迷走神经与心肌之间功能联系的部位

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