当�们的手无意中碰到高温物体时会立即缩回来这个过程称为缩手反射.它由如图所示的反射弧来完成.其中手部皮肤属于 A.感受器b.传入神经c Template




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tomski当�们的手无意中碰到高温物体时会立即缩回来这个过程称为缩手反射.它由如图所示的反射弧来完成.其中手部皮肤属于 a.感受器b.传入神经c coloring