動物受到刺激后,由感受器（神經(jīng)末梢）經(jīng)過傳入神經(jīng)到達中樞神經(jīng)（脊髓或大腦皮層）經(jīng)過處理經(jīng)過傳出神經(jīng)至效應(yīng)器（肌肉及其所支配的腺體）,從而完成運動
結(jié)構(gòu)為;感受器-傳入神經(jīng)-中樞神經(jīng)-傳出神經(jīng)-效應(yīng)器