Question

Define nerve cells.

Answer 1

Nerve cell:

A nerve cell is the basic functional unit of the nervous system that receives and sends messages from the body to the brain and back to the body.

Salient features:

1. Nerve cells are also called Neurons.
2. They have three distinct parts, including a cell body, axon, and dendrites.
3. The neurons are connected to each other by thin wirelike threads that carry electrical signals
4. Neurons make up around 10 percent of the brain.
5. Nerve cells are usually shaped like branched trees.