Hello word it is me ethant36 today I will be talking about my public speaking project.
Here is my speech:
Have you ever thought about how your emotions, your movement, your balance, your five senses and your thoughts work? Or have you ever thought about how awake and aware you are or how you move, walk, speak, swallow, breathe and learn? If you have, and if you wanted to know, then you can learn right now.
Hello grade 4 and Ms.m today I am here to talk about the nervous system.
The nervous system is made up of your brain, your spinal cord and a complicated system of nerves. The nervous system controls movement and balance, the five senses (sight, hearing, taste, smell and touch), how your thoughts work, how awake and aware you are and it also lets you walk, speak, swallow, breathe, learn and it also controls the psychological “fight or flight” which is when you sense danger do you run (flight) or fight.
Since the nervous system controls 100% of the body, it has to be working at all times. If it’s not working, you wouldn’t be able to breathe and that would be terrible. It doesn’t work by magic though, it works like this: the brain sends signals through the spinal cord, and the signals go wherever they must like if the brain wants to tell the legs to start working the brain would send a message through the spinal cord and then the legs are like “oh I’ve got to start moving” and then it starts moving. All that happens in about 0.1 seconds!
Have you ever wondered about the different parts of the brain and what they control? Now I will talk about the telencephalon, the diencephalon, mesencephalon, the metencephalon and the myelencephalon. The first part of the brain that I will be talking about is the telencephalon. The telencephalon is the biggest part of the brain and the closest to the top. It controls sensory integration which is when you get information from your senses it says do I ignore it or do I react to that information, voluntary movement (the expression of thought through your actions) speech, and abstract thought. The telencephalon is way bigger than all the other parts of the brain. The second part of the brain that I will be talking about is the diencephalon. The diencephalon controls the body temperature, how hungry you are, how thirsty you are, fatigue (how tired and how energetic you are but has nothing to do with sleep) circadian cycles (physical and mental things that go on a 24 hour schedule) and sleep. Another part is the mesencephalon. The mesencephalon controls vision, hearing, motor control (the steps to starting and directing voluntary movement) (the last three things the diencephalon helps too) sleep, alertness and body temperature. The second last part of the brain that I will be talking about is the metencephalon. It controls the sensorimotor structure (Activities that relate to sensory and motor activity) and motor coordination. Now it’s the last part of the brain that I’ll talk about: the myelencephalon. It controls heart rate and breathing.
In conclusion, we learned how important the nervous system is, what it does, how it works, the different parts of the brain and what they all control. I hope that now you know how it works and how much work it has to do. When you walk you use it, when you talk you use it, when you breathe you use it, when you think you use it and really when you do anything you use it!
