what is the neuron that sends signals
1 Neuron: a special cell which is part of the nervous system. Neurons work together with other cells to pass chemical and electrical signals throughout the body...more. 2  Nucleus: where DNA stays in the cell, plural is nuclei.  Soma: the main cell body.
Updated June 20, 2016. A neuron is a nerve cell that is the basic building block of the nervous system. Neurons are similar to other cells in the human body in a number of ways, but there is one key difference between neurons and other cells. Neurons are specialized to transmit information throughout the body.