The nervous system is very complex. It does many things to allow us to interact with the environment, both inside and outside our bodies. Watch the videos and answer the questions found here. When you are done, email it do me labeled "lastnamebb2". After you finish, enjoy the rest of your day, stay safe, and think about how your nervous system is working to do all the things you are doing today. See you in class.
If you want to know more about the nervous system, here is an excellent excerpt from a text book providing an explanation of everything in the nervous system.