Nervous_System

Nervous_System - NervousSystem Brain SpinalCord Nerves...

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Nervous System Brain Spinal Cord Nerves Neurons
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Neurons
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Parts of a Neuron Soma – cell body Dendrite – receive messages Axon – send messages out Myelin – help speed up messages, made up of  Schwann cells
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Types of Neurons Sensory – incoming signals Motor - movement Interneurons – in brain and spinal cord only  (processors/relay terminals)
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Neural Connections Synapse – s pa c e  b e twe e n a xo n o f  ne uro n A a nd de ndrite  o f ne uro n B Neurotransmitter – c he m ic a ls  tha t  diffus e  a c ro s s  s yna ps e  to  c ha ng e   po la rity o f ne uro n B’s  de ndrite   m e m b ra ne
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C e ntra l Ne rvo us  S ys te m Brain Spinal Cord Control center, coordinates body functions
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Peripheral Nervous System Carry messages to and from CNS Motor and sensory neurons found here. No interneurons here!
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Brain Cerebrum Corpus 
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This note was uploaded on 11/09/2011 for the course BIO 110 taught by Professor Harmon during the Winter '11 term at BYU.

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Nervous_System - NervousSystem Brain SpinalCord Nerves...

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