Question: what are the structural and functional differences between the cns and the pns?
Answer: Basic Structures The CNS consists of the brain and spinal cord, while the PNS includes all other nervous system tissue. All sensory receptors, sensory neurons and motor neurons are part of the PNS. ... In the PNS, a group of cell bodies is known as a ganglion, while a bundle of neuron tracts is called a nerve.