psy320 2
Terms
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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