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The Nervous System

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BC: sources | 1.http://cerebrum.wikispaces.com 2.http://www.mult-sclerosis.org/cerebellum.html 3.http://www.google.com/imgres?q=medulla+oblongata&num =10&um=18hl=en&client. 4.http://en.wikipedia.org/wiki/Cerebellum 5.http://en.wikipedia.org/wiki/Spinal_cord 6.http://en.wikipedia.org/wiki/Medulla_oblongata 7.http://en.wikipedia.org/wiki/Neuron 8.http://web4health.info/it/add-alcohol-goodbad.htm 9.http://kidshealth.org/parent/general/body_basics/brain_nervous_system.html#

FC: =The Nervous System | by. Jeff LaCoste

1: The cerebrum is the biggest section of the brain. The cerebrum does most of the thinking for your body. Such as perception, imagination, thought, judgment, and decision. It also controls your five senses, and is 85% of your brains weight. The cerebrum also stores all the information you learn in a day, such as a language. | The Cerebrum

2: The Cerebellum | The cerebellum is the main controller of you motor control. aI t also supports your memory, and your emotions. Scientist have discovered that if you injure it then it effects your precision and your motor controls ability. And you might do quick act actions at the wrong time. It has also been found to show imagery in your mind. Also scientist are still taking action on trying to find out if the cerebellum teaches you to act in a different way or faster like your reflexes.

3: Spinal Cord | The spinal cord is a thin tube made of lots of nervous tissue. It is connected to the brain and together these to necessities to a person make up the central nervous system. The spinal cord has some main functions such as sending motor messages to the rest of your body, including sensory messages. You could pretty much call the spinal cord the center of coordinating reflex's. The spinal cord is connected to the medulla oblongata and then goes down about 45cm. to where it ends.

4: A neuron processes and transmits signals to other neurons. This is done thanks to synapses. Neurons are the key components to the nervous system. They are located in the spinal cord and the brain. There are different types of neurons, such as sensory neurons to detect things like light. A typical everyday neuron contains a cell body, dendrites, and an axon. | The medulla oblongata is pretty much the controller of your breathing, blood pressure, and heart rate. It also acts as a relay for the brain and the spinal cord. The medulla also controls respiration, cardiac center, vasomotor center, and the reflex center that controls your vomiting, coughing, sneezing, and swallowing. The medulla is also a very small portion of the human brain. | Medulla Oblongata | Neuron

5: ??Questions?? | Factors that affect the system over time. Many things can affect your nervous system. Such as marijuana, cigarettes, and alcohol. Even though it's been found that marijuana does have some helpful uses for like cancer, but it also has been found that using of these products can mess with your brain and memory. Most of the turn outs for over using alcohol seems to be infection. Infection in the esophagus, pancreas, stomach, liver , and premature dementia. Long term wise the brain suffers constantly. And finally fatty liver is a really common one, but if the alcohol intake stops then the fatty liver will go away. | How the system function as a whole. The nervous system is like a tree that spreads through your whole body. It's like sending a message to someone that is received and then passed on. Even though that would take a long time for us humans, it only takes our body under a second to go from our hands or feet ,or other body part, to pass it from wherever to the spinal cord then the brain and back down. It's like a relay race. The message passes through many cells called neurons. We have many cells, and they all do something specific like sensory neurons.

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  • By: jeffrey l.
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  • Title: The Nervous System
  • a journey through the nervous system
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  • Published: over 8 years ago