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psych U3M10
nervous and endocrine systems,
| Question | Answer |
|---|---|
| Whole layout of the nervous system? | (A)Central nervous system, (B)peripheral nervous system, (B1)somatic, (B2)autonomic, (B2a)sympathetic, and (B2b)parasympathetic |
| define: nervous system | the body's electrochemical network |
| spinal cord | decision maker in the central nervous system |
| afferent | sensory nerves sending info to the brain |
| location of pancreas | between stomach and small intestine |
| interneurons | messages between neurons |
| define a neural network | groups of neurons that work together |
| 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. |
| what is the job of the afferents/efferents | reflexes that automatically respond to pain |
| job of the peripheral nervous system | connects the central nervous system to all other parts of the body |
| job of the SOmatic system | has afferent/efferent neurons; voluntary actions |
| location of pineal gland | middle of the brain |
| job of the sympathetic system | aroused; energy; fight or flight; tension |
| location of thyroid gland | below voice box |
| define the endocrine system | communication system where glands secrete hormones in the blood and influence the brain and behavior |
| job of hormones | organizes nervous system and body tissue in developmental stages |
| pituitary gland job | largest number of hormones and effect on nervous system. influences blood pressure, body growth, sexual behavior, thirst |
| thyroid gland | regulates body's rate of metabolism; alertness, energy, fat, skinny |
| too much of thyroxin results in? | over excited, insomnia, ADHD |
| location of adrenal glands | above kidneys |
| job of the pancreas | controls levels of sugar in blood (insulin and glucagon) |
| too much insulin results in? | hypoglycemia (fatigue) |
| what hormones do the gonals produce | testosterone and estrogen; influences human development, sex characteristics |
| job of adrenal glands | react to stress |
| location of pituitary gland | underside of brain, connected to hypothalamus |
| job of the parasympathetic system | conserving energy, calming |
| job of AUTOmatic system | sends messages to and from the central nervous system for things involving breathing, digestion, circulation, emotions |
| efferent | motor nerves sending info from the brain |
| job of the pineal gland | releases melatonin, which controls sleep and wake cycles |
| cortisol | increases blood sugar |
| adrenocortitrophic | (ACTH) hormone that prolongs response to stress |
Created by:
allyson.lee
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