- Understanding the difference between a nerve cell and a nerve.
- Being able to draw a simple image of a neuron and name its parts.
- Knowing what a nerve impulse is.
- Being able to briefly describe how a nerve impulse travels in a nerve.
- Nerve cells (neurons), sense and transmit information.
- A neuron has dendrites, cell body (soma), and an axon.
- In the peripheral nervous system, a bundle of axons is called a nerve. In the central nervous system, a bundle of axons is called a tract.
- Nerves transport messages quickly and accurately in the body.
- The impulse is transferred from one nerve cell to another chemically by means of a neurotransmitter.
- Keywords: nerve, nerve cell, neuron, impulse, dendrites, axon, axon terminal.
