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Ap Biology Chapter 49 Flashcards

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5200536353Nerve netA series of interconnected nerves0
5200542276CephalizationClustering of sensory organs at the front end of the body1
5200546192CNSBrain and spinal cord2
5200551022PNSSensory neurons and motor neurons3
5200554817Reflex arcThe body's automatic response to a stimulus (From sensory nerve to the spinal cord and back)4
5200574182Cranial nervesNerves that originate in the brain and mostly terminate in organs of the head and upper body5
5200580444Spinal nervesNerves that originate in the spinal cord and extend to parts of the body below the head6
5200588094Motor systemCarries signals to skeletal muscles and is voluntary7
5200598369Autonomic nervous systemRegulates the internal environment in an involuntary manner8
5200609297Sympathetic divisionCorrelates with the "fight or flight" response9
5200614066Parasympathetic divisionPromotes a return to "rest and digest"10
5200620153Enteric divisionControls activity of the digestive tract, pancreas, and gallbladder11
5200632370Forebrain, Midbrain, HindbrainThe three divisions of a developing brain12
5200644110Cerebral cortexThe outer portion of the cerebellum that surrounds most of the brain13
5200657099BrainstemCoordinates and conducts information between brain centers14
5200668481Midbrain, Pons, Medulla oblongataThe three parts of the brainstem15
5200673943MidbrainContains centers for receipt and interation of sensory information16
5200677589PonsRegulates breathing centers in the medulla17
5200681042Medulla oblongataContains centers that control several functions including breathing, cardiovascular activity, swallowing, vomiting, and digestion18
5200699222Reticular formationThe core of the brainstem has a diffuse network19
5200712472CerebellumIs important for coordination and error checking during motor, perceptual, and cognitive functions20
5200738796ThalamusThe main input center for sensory information to the cerebrum and the main output center for motor information leaving the cerebrum21
5200753994HypothalamusRegulates homeostasis and basic survival behaviors such as feeding, fighting, fleeing, and reproducing22
5200773205Suprechiasmatic nucleiNuclei in the hypothalamus that act as the internal clock23
5200782777Corpus callosumProvides communication between the right and left cerebral cortexes24
5200793219AmygdalaLocated in the temporal lobe and helps store an emotional experience as an emotional memory25
5200803833Neural plasticityDescribes the ability of the nervous system to be modified after birth26
5200813397Short-term memoryAccessed via the hypothalamus27
5200816448Long-term memoryMemories stored in the cerebral cortex28
5200836303Long-term potentiationA form of learning that involves an increase in the strength of synaptic transmission29
5200850060Parkinson's diseaseA motor disorder caused by the death of dopamine-secreting neurons in the midbrain30
5200861537Alzheimer's diseaseIs caused by the formation of neurofibrillary tangles and amyloid plaques in the brain31

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