Quick Answer. Voltaire wrote Candide as a satire of the then-prevalent philosophical optimism advanced by Gottfried Wilhelm Leibniz. Voltaire, moved by contemporary events like the Seven Years' War and the 1755 Lisbon earthquake, felt that optimism was a naive way of viewing the world.
Neurons carry impulses from one place to another, around the many parts of the nervous system. They connect receptors to the central nervous system and also connect one part of the nervous system to another, for example in the brain and spinal cord.
It is the single neuron that transmit the action potential of a stimulus or the replying motor signal along the axons dendrites and the cell body whereas, the nerves simply covey the axons to and from the CNS.The neurons are the oldest cells of the body.t is the single neuron that transmit the action potential of a stimulus or the replying motor signal along the axons dendrites and the cell body whereas, the nerves simply covey the axons to and from the CNS.