Neuron nerve cell; basic building blocks of the spooky form Dendrites receive messages from other neurons Cell Body keep subscribe to; stores nucleus Axon passes messages away from cell stick to axone terminals medulla Sheath speed up neural impulse; silver screen axons Axon Terminals form juncture; store neurotransmitters (NTs) Action latent electrical charge that travels mountain the axon Synapse junction b/w a move neuron and a receiving neuron Neurotransmitter chemical substance messenger travels across synapse Reuptake reabsorption of excess NTs by a move neuron Agonists mimic NTs and make the neuron combustion Antagonists lodge onto receptor sites and keep it from firing Reuptake Inhibitors bind axon terminals; prevent reuptake Stimulants drugs that speed up bodily processes Depressants drugs that unbend down bodily processes Hallucinogens changes perception of reality Acetylcholine (ACH) movement; memory Dopamine movemen t; alertness; pleasurable tactual sensationings Endophins torment chasteness Serotonin mood control; feel genuine NTs Norepinephrine fight or flight reaction; adrenaline Nervous System bodys speedy, electrochemical intercourse network. Central Nerv. Sys. (CVS) brain & spinal corduroy; enwrap in bone Peripheral Nerv. Sys.
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(PNS) nerves not in brain & spinal cord Autonomic Nerv. Sys. control unconscious functions Sympathetic Nerv. Sys. arousing; fight-or-flight response Sensory/Afferent Neurons devote info from tissues and arresting reed organs to central nervous system Motor/ corticoef ferent Neurons central nervous system sends ! book of instructions reveal to bodys tissues ------------------------------------------------- Interneurons talk with sensory and tug neurons; in CVS only endocrine System slow chemical communication system; a set of glands that secrete hormones into the blood stream Hormones slow-acting but long lasting chemical messenger carried thru out the body by bloodstream Pituitary secretory organ master gland; controlled by hypothalamus; send messages to...If you want to live on a full essay, order it on our website:
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