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An extensive network of specialized cells that carry information to and from all parts of the body |
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The basic cell that makes up the nervous system and which receives and sends messages within that system |
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The long tube like structure that carries the neural messages to other cells |
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On a neuron, the branch like structures that receives messages from other neurons |
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The cell body of the neuron, responsible for maintaining the life of the cell and contains the mitochondria |
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The fatty substances produced by certain glial cells that coat the axons of neurons to insulate, protect, and speed up the neural impulse. |
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The bundles of axons in the body that travel together through the body |
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The charged particles located inside and outside of the neuron |
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The state of the neuron when not firing a neural impulse |
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refers to the fact that a neuron either fires completely or does not fire at all |
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Sack like structures found inside the synaptic knob containing chemicals |
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Chemicals found in the synaptic vesicles which, when released, has an effect on the next cell. |
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Neurotransmitter causes the reciving cell to fire |
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Mimic or enhance the effects of a neurotransmitter on the receptor sites of the next cell, increasing or decreasing the activity of that cell. |
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A long bundle of neurons that carries messages to and from the body to the brain is responsible for very fast, lifesaving reflexes. |
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A neuron that carries information from the senses to the central nervous system and is also known as afferent. |
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All nerves and neurons that are bit contained in the brain and spinal cord but that run through the body itself. |
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The division of the PNS consisting of nerves that carry information from the senses to the Cns and from the CNS to the voluntary muscles of the body |
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Division of the PNS consisting of nerves that control all of the involuntary muscles, organs, and glands sensory pathway nerves coming from the sensory organs to the CNS consisting of sensory neurons. |
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The part of the ANS that is responsibke for reacting to stressful events and bodily arousal |
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A machine designed to record the brain wave patterns produced by electrical activity of the surface of the brain |
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The part of the lower brain located behind the pons that controls and coordinates involuntary, rapid, fine motor movement |
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The part of the limbic system located in the center of the brain, this structure relays sensory information from the lower part of the brain to the proper areas of the cortex and processes some sensory information before sending it to its proper area. |
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The larger swelling above the medulla that connects the top of the brain to the bottom and that plays a part in sleep, dreaming, left-right body coordination, and arousal |
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An area of neurons running through the middle of the medulla and the pons and slightly beyond that is responsible for selective attention. |
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A curved structure located within each temporal lobe, responsible for the formation of long-term memories and the storage of memory for location of the objects |
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A brain structure located near the hippocampus, responsible for fear responses and memory of fear. |
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The outermost covering of the brain consisting of densely packed neurons, responsible for higher thought processes and interpretation of sensory input |
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The thick band of neurons that connects the right and left cerebal hemisphere |
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The section of the brain located at the rear and bottom of each cerebral hemisphere containing the visual centers of the brain |
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The sections of the brain located at the top and back of each cerebral hemisphere containing the centers for touch, taste, and temperature sensations. |
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Areas of the cortex located in the front and top of the brain, responsible for higher mental processes and decision making as well as the production of fluent speech. |
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Areas of the cortex located in the front and top of the brain, responsible for higher mental processes and decision making as well as the production of fluent speech. |
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secrete chemicals called hormones directly into the bloodstream |
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The endocrine glands located on top of each kidney that secrete over 30 different hormones to deal with stress, regulate salt intake, and provide a secondary source of sex hormones affecting the sexual changes that occurs during adolescence |
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