Mr. HunterAnatomy and Physiology01/07/2013Structured Notes Chapter 8Nervous SystemNAME______________________ DATE_________________ Per# 1. What are the two principal divisions of 7. The name of the white, fatty substance the nervous system? that increases electrical transmission speed in nerve cells is called? 8. By what process does electrical signals 2. What are the components of the CNS travel along a myelinated nerve fiber? and the PNS? 9. List the name and function of the four major types of glia cells. 3. Name a subdivision of the PNS and its 10. What cells cause glioma to develop? function. 4. Name and describe the function of the two types of cells found in the nervous system. 5. Name and briefly describe the function of the three main parts of a neuron. 6. List and briefly describe the function of the three types of neurons.