Homeostatis
Mindmap covering
- Deffinition of homeostatis
- Body functions that need to be controlled
- How to controll body tempreature
- Created by: Ellie
- Created on: 18-04-14 17:05
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- Homeostatis
- The maintenance of a constant internal environment
- Controlled internal environments
- Body tempreature
- Enzymes
- work best at 37*
- If the body is too hot or cold enzymes wont function properly
- Could lead to death
- If the body is too hot or cold enzymes wont function properly
- work best at 37*
- Regulated by the brain
- thermoregulatory centre
- personal thermostat
- contains tempreature sensitive receptors
- monitor blood tempreature
- Recieves impulses from the skin
- gives information on skin tempreature
- thermoregulatory centre
- TOO HOT
- hairs lie flat
- sweat is produced
- Blood vessels dilate
- TOO COLD
- Hairs stand up
- You shiver
- Blood vessels constrict
- Enzymes
- Water content
- too much water could damage cells
- Ion Content
- Too much or little will damage cells
- Blood sugar
- needs to be maintained between certain limits
- CO2
- toxic in high quantities
- Urea
- Body tempreature
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