After reading this chapter, you will be able to:

• Identify the cells of the nervous system.
• Name the structures of neurons.
• Compare the functions of sensory, motor, and interneurons.
• Explain the roles of ions and the cell membrane in nervous system communication.
• Demonstrate how neurotransmitters are involved in communication between nervous system cells.
• Discuss how neurons work together to generate your experiences of the world.
• Illustrate the ways that excitation and inhibition are important to the functioning of the nervous system.