Structural and functional unit of the nervous system is called neuron. structure of Neuron has cell body, dendrites, axon and synaptic knob. Neurons can be myelinated and unmyelinated. they are excitable, They follow ALL OR NON LAW, they have refractory period and accommodation and conduction properties.
At the nerve muscle junction the nerve depolarize the muscle and contraction of muscle occurs. Contraction can be