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Glossary of psy320 2

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complex network of interconnected nerve fibers
nervous system
prepares body to respond to emergencies
sympathetic nervous system
controls activities of organs under normal circumstances and acts antagonistically to sympathetic ns
parasympathetic ns
receives info about the rate at which the heart is contracting and speeds up or slows down the heart rate as required
medulla
serves as a link between between the hindbrain and midbrain
pons
coordinates voluntary muscle movement, balance, etc
cerebellum
involved in recognition of sensory stimuli and relay of sensory impulses to cerebral cortex
thalamus
regulates centers in the medulla that control cardiac functioning
hypothalamus
largest portion of brain; involved in higher order intelligence/ memory/ personality
cerebral cortex
chemicals regulating nervous system functioning
neurotransmitters
epinephrine and norepinephrine
catecholamines
regulates endocrine system
pituitary gland
small glands located on top of each kidney
adrenal glands
comprises heart, blood vessels, and blood
cardiovascular system
caused by deposits of cholesterol which form plaques and narrow the arteries
atherosclerosis
chest pain
angina pectoris
heart attack
myocardial infarction
force that blood exerts against the blood vessel walls
blood pressure
involves nose, mouth, pharynx, trachea, etc
respiratory system
kidneys, ureters, bladder, urethra
renal system
might need to be done to correct kidney failure; uncomfortable
kidney dialysis
body's resistance to harm from invading organisms
immunity
general set of responses to any kind of infection or disorder
nonspecific immune mechanisms
acquired after birth, fight particular microorganisms and their toxins
specific immune mechanisms
process by which white blood cells ingest microbes
phagocytosis
mediated by b lymphocytes
humoral immunity
involving t lymphocytes
cell mediated immunity
drainage system of body
lymphatic system
condition characterized by specific humoral or cell-mediated immune response that attacks the body's own tissues.
autoimmunity

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