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44 Cards in this Set
- Front
- Back
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endorphins
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help explain good feelings such as runner's high, the painkilling effects of acupuncture, and the indifference to pain.
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antagonists
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wannabe (block)
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agonists
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posers (mimic)
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nervous system
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body's speedy electrochemical communications network
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nerves
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axons that are bundled into electrical cables
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somatic nervous system
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enables voluntary control of our muscles
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autonomatic neverous system
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controls our glads and muscles of internal organs.
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sympathetic nervous system
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arouses and expends energy. (accelerated heart beat, raised blood pressue, slow digestion, raise blood sugar, when excited or nervous)
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parasympathetic nervous system
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produces opposite of sympathetic ( conserves energy)
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reflexes
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automatic responses to stimuli (knee)
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endocrine systems
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hormones
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hormones
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influense our interest in sex, food, and aggression
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adrenal glands
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produce adrenaline
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pituitary gland
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growth, hormones of other glands
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brainstem
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innermost region
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medulla
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heartbeat and breathing
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pons
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coordinate movement
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reticular formation
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filters incoming information and filters it to other parts of the brain
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thalamus
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recieves info from all sense except smell and routes it to different parts of the brain.
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cerebellum
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little brain. judges time, modulates emotions, discriminates sounds and textures, voluntary motions.
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hippocampus
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processes memory
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amygdala
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influence aggression and fear
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hypothalamus
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governs body maitenence. hunger, thrist body temperature and sex
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cerebral cortex
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"bark of a tree" the wrinkly part of the surface of the brain
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frontal lobes
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behind forehead
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parietal lobes
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at the top and to the rear
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occipital lobes
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back of your head
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temporal lobes
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just above ears
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motor cortex
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sends out messages to body to control motor functions. left control right side of body and vice versa
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sensory cortex
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recieves information from motor corte and senses the feeling of movement.
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plasticity
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the abiltity of the brain to modify itself after damage
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chromosome
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book
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genes
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pages
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DNA
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words
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nucleotides
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letters
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How a nueron fires
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message recieved from dendrites and sent from axons
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synapse
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junction between axon tip of sending neuron and dendrtie of recieving neuron
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dopamine
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movement, attention, learning
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serotonin
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sleep and depression
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acetylchonine
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learning, memory, muscle contractions
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endorphins
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pain and pleasure
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norepinephrine
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arousal. fight or flight.
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GABA
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inhibitory
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Glutamine
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exhibitory
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