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Related Flashcards
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Cards In This Set
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Homeostasis
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Regulation of an organism's internal, life-maintaining conditions despite changes in its environment
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Neuron
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Basic functioning unit of the nervous system, made up of a cell body, dendrites, and axons
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Dendrite
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Neuron structure that receives messages and sends them to the cell body
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Axon
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Neuron structure that carries messages away from the cell body
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Synapse
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Small space across which an impulse moves from an axon to the dendrites or cell body of another neuron
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Central Nervous System
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"(CNS) division of the nervous system, made up of the brain and spinal cord"
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Peripheral Nervous System
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"(PNS) division of the nervous system, made up of all the nerves outside the CNS; connects the brain and spinal cord to other body parts"
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Cerebrum
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"largest part of the brain, where memory is stored, movements are controlled, and impulses from the senses are interpreted"
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Cerebellum
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"part of the brain that controls voluntary muscle movements, maintains muscle tone, and helps maintain balance"
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Brain Stem
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"connects the brain to the spinal cord and is made up of the midbrain, the pons, and the medulla"
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Reflex
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"automatic, involuntary response to a stimulus; controlled by the spinal cord"
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Autonomic Nervous System
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Controls involuntary actions
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Somatic Nervous System
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Controls voluntary actions
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Impulse
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Any message carried by a neuron
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Sensory Neuron
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Receive information and send impulses to the brain or spinal cord
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