Term
the four neurotransimtters |
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Definition
seratonin ephinephrin dopamine acetylcholine |
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Term
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Definition
basic building block of the nervous system |
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Term
how fast do neurons fire? |
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Definition
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Term
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Definition
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Term
absolute refractory period |
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Definition
time when a neuron will not fire |
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Term
relative refractory period |
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Definition
neuron will fire as quickly as it possibly can |
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Term
What does same stand for? |
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Definition
sensory afferent motor efferent |
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Term
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Definition
feeling, sending the signal to the brain |
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Term
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Definition
moving, signal to move away, react |
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Term
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Definition
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Term
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Definition
spaces on a neuron missing myelin; help neurons communicate faster |
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Term
what does the central nervous system ecompass? |
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Definition
the brain and spinal column |
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Term
what does the peripheral nervous system do? |
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Definition
it sends signal to the central nervous system |
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Term
What are the two parts of the autonomic (unconcious) branch of the periphial nervous system? |
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Definition
sympathetic and parasympathetic |
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Term
What does the somatic branch involve? |
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Definition
conciously made decisions |
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Term
What's the difference between the somatic and the autonomic branches of the nervous system? |
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Definition
autonomic: unconscious processes somatic: conscious decisions |
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