236942
Beschreibung
Mindmap von ashleighcattell, aktualisiert more than 1 year ago
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Erstellt von ashleighcattell
vor etwa 11 Jahre
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Homostatis
- Homostatis is maintaining a stable internal enviroment
- Factors Include
- Temperature
- Water
- Blood Glucose (Sugars)
- Blood Glucose (Sugars)
- osmoregluation
- ectasy wipes this from the brain
- ectasy wipes this from the brain
- Water
- Temperature
- Every cell needs water
- Every cell needs glucose for energy
- Every cell needs glucose for energy
- Warmth
- When its hot, we sweat
- Glands try to pump out the heat by sweat
- Evaperation carries heat away
- Evaperation carries heat away
- Glands try to pump out the heat by sweat
- When its hot, we sweat
- Coldness
- When its cold, the erect gland contracts causing:
- hairs to stand
- goosebumps to form
- hairs to stand
- When its cold, the erect gland contracts causing:
- Capillaries
- Vasodilation
- blood vessles get wider when hot
- Evaperation from skin
- Evaperation from skin
- blood vessles get wider when hot
- Vasoconstriction
- blood vesseles get thinner when cold
- heat rises causing a thin layer of warm air above the skin
- heat rises causing a thin layer of warm air above the skin
- blood vesseles get thinner when cold
- Vasodilation
- Hypeothaiamus
- negative feedback acts to appose a change
- normal - tempature increase or decrease detected - correct action - normal again
- normal - tempature increase or decrease detected - correct action - normal again
- negative feedback acts to appose a change
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