How many nerve cells are there in the body?

10 trillion

Not too many people know the fact that the nervous system is composed of trillions of nerve cells.   There are approximately 10 trillion nerve cells in the body.  Did you know that the scientific name for a nerve cell is a neuron?  The main idea is that neurons function electrically to create thought and action in our bodies.  Moreover, most of the cells which maintain and support neurons are glial cells.  It is interesting to know that neurons have a cell body, which, like all cell bodies, is called a soma.