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D: Hi I'm Duncan Brown J: And I'm Jack Wells and this is Nervous System Update D: Monday, earlier this week a fly was buzzing around a man's head and with the nervous system he was able react and say, "What is that?" J:Have you ever touched a hot stove and have you noticed how you don't think about your hand coming back but it does anyway? D: Yes I have, not my best of thinking. J: That is the nervous at it's best. D: Really? I didn't think that the nervous system did so much. J:A system of nerves called neurons, connects your brain to the rest of your body so the brain can tell your body what to do in a split second. D: I've learned that. J:If you think you have a problem with your nervous system or you're having back pain, neck pain, or dizziness, you can get a CT Scan or a MRI to see if there are any serious problems. D: Isn't your mother and father in that kind of business? J:Yes I believe they are. D: I thought so. Another thing that nervous system does is to keep our body in homeostasis. J:Yes. Homeostasis is any time that our body is normal, not sick or anything like that. This is our body's main goal and it passes with flying colors. D: That's how our nervous system is so valuable to us. J:Did you know that one neuron could be up to 3 feet long. If you have ever been tickled by something, the neurons in your body send a tiny electronic message to your brain. When that message gets to the end of one neuron and is going to the next, chemicals help the transition be as smooth as possible. Those chemicals help the message get there in the blink of an eye. And the thickest nerve is 1 inch long. D: That's how you get those cat like reflexes. Think of what you could do without your nervous system. You wouldn't be able to do much because you can't react to anything without the nervous system. You probably wouldn't even be able to move J:Think of your brain not working. Isn't that a scary thought? Well, that would be the case if our nervous system didn't work or we didn't have one. D: The brain is the central nervous system if you weren't aware. J:Think of your spinal cord being hurt like Robert Ferguson of the Packers a few years back. He got clothes lined and was out for a long time. Luckily he recovered because many times, people will be fatally injured and never walk again. D: Speaking of other nervous system injuries lets talk about a concussion. A concussion is when you get a bruise to the central nervous system (brain.) If you get too many concussion you might not be able to participate in contact sports and other fun things. D: Well that'll just about do it for us. For Jack Wells I'm Duncan Brown and see you next week.