PSYA01H3 Chapter 4: Chapter 4 study guide
Document Summary
Structure of the nervous system: brain has three main functions: Cells of the nervous system: neurons (nerve cells) are the elements of the nervous system that bring sensory information to the brain, store memories, reach decisions, and control the activity of the muscles. www. notesolution. com. can receive information from other neurons, process this information and communicate the processed information to other neurons. contain structures specialized for receiving, processing and transmitting information. Some form protective insulating sheaths around nerve fibers. Some serve as brains immune system protecting it from invading organisms. dendrites: tree like growths attached to the body of a nerve cell: receives messages from other neurons, transmits the information they receive down their trunks to the cell body. Soma: cell body: largest part of the neuron, contains the mechanisms that control the metabolism and maintenance of the cell.
