Flashcard Set Preview
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| 1 |
Neuron
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Nerve cell transmitting electrical & chemical info
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Sensory Neuron
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Info from sensory receptors to brain & spinal chord
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Motor Neuron
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Carries outgoing info from brain & spinal chord to muscles and glands
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Interneurons
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Coordinate between brain and outputs.
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Dendrite
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Receive info from axons of other neurons
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Axons
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Carry messages FROM cells to dendrites
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Myelin Sheath
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Fatty substance around axons, increases speed
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Glial Cells
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Holds neurons together, helps communicate
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Synapse
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Joining pt of 2 or more neurons
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Neurotransmitter
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Chemicals sending messages across synapses.
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Acetylocholine
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muscle action, learning memory
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Dopamine
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Controls movement, learning, attention, emotion
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Serotonin
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Mood, hunger, sleep, arousal
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Norepinephrine
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Alertness, Arousal
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GABA
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Acid inhibiting firing of neurons
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