Protection and Control Review 1) Label the following diagrams of the brain. 2) Give a brief definition for each of the terms used in the diagrams above. 3) Label the diagram of the neuron below. 4) Explain how an electrical impulse will travel between neurons. 5) What is the difference between the central nervous system and the peripheral nervous system? 6) Why is it dangerous if you have a back injury? 7) Explain two different disorders that can occur within the brain. Give five points for each disorder. 8) What does immunity mean? 9) Name two different lymphocytes and explain their purpose in your body. 10) Explain two different bacterial problems that can occur within the body. Give five points for each.