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GRCC 121 #4 life spa

GRCC BI 121 life span #4

QuestionAnswer
Life span changes: brain cells begin to die even before birth
Life span changes: synapses (neural bridges) will decrease in number- but you can slow down the decrease if you challenge your brain.
Life span changes: neurotransmitters will decrease in levels and may lead to nervous system disorders (i.e. alzheimers, parkinsons, etc)
Life span changes: Action potential transmission Will decrease and leading to slow reaction time.
Life span changes: Foot and ankle nerves decreased sensitivity to these nerves results in falling.
Life span changes: Reticular system Changes in the reticular formation leads to irregular sleep patterns and bouts of insomnia and REM diminishes = daytime sleepiness
Schizophrenia dopamine cells do not die & these extra neurons produce too much dopamine leading to hallucinations.
Too much dopamine could lead to hallucinations/schizophrenia
if brain
Created by: Wends1984
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