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bio-regulation & homeostasis (homeostasis(動態平衡) (器官 (brain, 肌肉, 皮膚,…
bio-regulation &
homeostasis
levels of organization
生物體:
plan of human body
receptor / control center / effector / 平衡機制
typical feedback control system(回櫃系統)
negtive feedback:
EX: 體溫 / 電解質
體溫控制系統:
1.增加熱能、產熱
流汗、...冷卻下來
EX: blood sugar control
吃東西 => 血糖上升 => 胰島素增加 => 血糖下降
positive feedback:
EX: blood clotting(流血):
生孩子
泌乳(breast feeding)
regulation
內分泌系統(endocrine system)
autocrine / paracrine / endocrine
神經系統(nervous system)
CNS / PNS / ANS
system organization
stimulus -> receptor -> sensory nerve ->
homeostasis(動態平衡)
器官
brain
肌肉
皮膚
肺部
腎臟
maintain a constant interal environment around a set point
what is
type
熱調節
allow for normal cell function
下視丘 / 感覺身體體溫
circadian rhythms and sleep
晝夜節律和睡眠
sleep
bioregulation
含羞草的睡眠周期