nervous and endocrine systems,
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| Whole layout of the nervous system? | (A)Central nervous system, (B)peripheral nervous system, (B1)somatic, (B2)autonomic, (B2a)sympathetic, and (B2b)parasympathetic
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| define: nervous system | the body's electrochemical network
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| spinal cord | decision maker in the central nervous system
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| afferent | sensory nerves sending info to the brain
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| location of pancreas | between stomach and small intestine
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| interneurons | messages between neurons
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| define a neural network | groups of neurons that work together
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| how does a pain reflex mvmt work | afferents travel to the spinal cord, the interneurons activate efferents that lead to muscles. none of this has anything to do with the brain.
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| what is the job of the afferents/efferents | reflexes that automatically respond to pain
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| job of the peripheral nervous system | connects the central nervous system to all other parts of the body
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| job of the SOmatic system | has afferent/efferent neurons; voluntary actions
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| location of pineal gland | middle of the brain
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| job of the sympathetic system | aroused; energy; fight or flight; tension
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| location of thyroid gland | below voice box
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| define the endocrine system | communication system where glands secrete hormones in the blood and influence the brain and behavior
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| job of hormones | organizes nervous system and body tissue in developmental stages
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| pituitary gland job | largest number of hormones and effect on nervous system. influences blood pressure, body growth, sexual behavior, thirst
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| thyroid gland | regulates body's rate of metabolism; alertness, energy, fat, skinny
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| too much of thyroxin results in? | over excited, insomnia, ADHD
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| location of adrenal glands | above kidneys
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| job of the pancreas | controls levels of sugar in blood (insulin and glucagon)
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| too much insulin results in? | hypoglycemia (fatigue)
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| what hormones do the gonals produce | testosterone and estrogen; influences human development, sex characteristics
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| job of adrenal glands | react to stress
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| location of pituitary gland | underside of brain, connected to hypothalamus
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| job of the parasympathetic system | conserving energy, calming
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| job of AUTOmatic system | sends messages to and from the central nervous system for things involving breathing, digestion, circulation, emotions
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| efferent | motor nerves sending info from the brain
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| job of the pineal gland | releases melatonin, which controls sleep and wake cycles
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| cortisol | increases blood sugar
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| adrenocortitrophic | (ACTH) hormone that prolongs response to stress
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