Homeostasis - Maintaining a constant internal enviroment.
Conditions in your body need to be kept steady so that the cells can function PROPERLY!
LEVELS OF CO2 - Respiration constantly produces CO2 which you need to get rid of.
WATER- You need to keep a balance between the water you gain ( In DRINK, FOOD & RESPIRATION) and the water you lose. (PEE, SWEAT & BREATHE OUT)
BODY TEMPERATURE- You need to get rid of excess body heat when you are hot but retain heat when the enviroment is cold.
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