4.the tailorquikly withdrew his hand when it was picked by a needle. what part of the nervous system worked?
A.cerebrum B.cerebellum C.brain stem D.spinal cord
5.which id the correct path that a nerve impulse will follow during a reflex action?
A.motor neuron---interneuron---sensory neuron
B.interneuron---motor neuron---sensory neuron
C.motor neuron---sensory neuron---interneuron
D.sensory neuron---interneuron---motor neuron