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16 Cards in this Set
- Front
- Back
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What does nervous tissue do?
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Regulates body activites by responding rapidly using nerve impulses (action potentials)
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What is nervous tissue responsible for?
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For our perceptions, behaviors, and memories, and initiates all voluntary movements.
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What is a neuron?
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A nerve cell
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What is neuroglia?
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cells that support the activities of neurons.
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What is the autonomic nervous system?
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part of the nervous system that operates without voluntary control.
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What are some somatic senses?
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touch, pressure, warmth, cold, pain
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What are some special senses?
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smell, taste, vision, hearing, and equilbrum
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neurology
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the study of nerves or nervous system
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neurologist
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a physican who specializes in the diagnosis and treatment of disorders of the nervous system
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What are the structures that make up the nervous system?
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the brain, cranial nerves and their branches, spinal cord, spinal nerves and their branches, ganglia, enteric plexuses, and sensory receptors
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What is a nerve?
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A bundle of hundreds to thousands of axons plus associated connective tissue and blood vessels that lies outside the brain and spinal cord.
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The spinal cord
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Connects to the brain through the foramen magnum of the skull and is encircled by the bones of the vertabral column.
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Spinal Nerves
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31 pairs, each serving a specific region on the right and left side of the body.
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Ganglia
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small masses of nervous tissue consisting primarily of neuron cell bodies, located outside the brain and spinal cord.
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Exteric plexuses
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extensive networks of neurons, help regulate the digestive system.
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sensory receptors
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to refer to the dendrites of sensory neurons as well as seperate, specialized cells that monitor changes in the internal or external environment.
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