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The Nervous System

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Across
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____ reflexes stimulate skeletal muscles
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between the hemispheres & brain stem and houses the Thalamus and Hypothalamus
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It is a bundle of neuron fibers within the CNS
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connects the cerebrum & diencephalon to SC
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are chemicals needed in order for neurons to communicate with each other.
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A basic type of neuron pathway
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Any force that can start an action potential by opening membrane channels and allowing Na+ to enter the cell.
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the place where impulses are transmitted from one neuron to another
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This matter is the outer most thickest membrane
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3 neuron reflex arc
Down
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These neurons conduct impulses away from brain and spinal cord to muscles and glands
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Makes up the bulk of the cerebrum
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conduct impulses from sensory neurons to motor neurons or among a network of?
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is about 18 inches long and extends from the base of the brain, down the middle of the back, to about the waist.
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this membrane is loosely attached to the deepest of the meninges by web like fibers, allowing a space for the movement of CSF
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Largest part of the brain
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"Little brain"
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skin surface area supplied by a single cranial or spinal nerve
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These neurons conduct impulses to the spinal cord and brain
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____ reflexes regulates smooth muscles, heart, glands, saliva secretion, and changes in pupil size
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2 neuron reflex arc
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This matter is the innermost layer that contains the blood vessels that supply nutrients and oxygen to the brain & spinal cord
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It is a bundle of neuron fibers within the PNS