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10 Cards in this Set
- Front
- Back
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genome
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all the genetic information in DNA
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alleles
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different forms of a gene
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epigenetics
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study of changes in the way genes are turned on or off without a change in the sequence of DNA
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central nervous system (CNS)
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the part of the nervous system that comprises the brain and spinal cord
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peripheral nervous system
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the part of the nervous system that comprises all the nerve cells in the body outside the central nervous system
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sympathetic nervous system
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activates bodily systems, “fight,flight, fright, sex”
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parasympathetic nervous system
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returns the body to a less active, restful state
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glial cells
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CNS cells that provide structural support, promote efficient communication between neurons, and serve as scanvengers, removing cellular debris
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homeostasis
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maintenance of internal environment (temperature, hunger, thirst, etc)
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corpus callosum
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a thick bundle of nerve fibers that connect the two cerebral hemispheres
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