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反应慢是反射弧长还是反射弧短
更新时间: 2020-09-27 00:00:00  

反射活动的结构基础称为反射弧,包括感受器、传入神经、神经中枢、传出神经和效应器。在最简单的反射弧中,传入神经元和传出神经元直接在中枢内接触,称为单突触反射,如膝反射。复杂的反射弧有许多中间神经元。因为反射的过程实际上是神经电信号传导,所以结构越复杂,经过的神经元越多,反射发生所需的时间就越长。

关键词: 反应 反射 还是

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