The document provides an overview of the nervous system, including different types of nerves like the sciatic and cervical nerves. It describes the cells in nerves, like axons and dendrites, that allow messages to travel through the nervous system at speeds of up to 90 meters per second. The summary explains that without nerves a person would feel no pain, and it discusses how the nervous system works with other body systems like the skeletal and muscular systems to monitor movement and protect the brain.

1. Nervous System By: James Gilson Declan Ramage

10. The End