For your cells to function properly, the conditions in your body need to be kept constant. Homeostasis involves balancing what comes in with what comes out (basically, if you drink 500ml of water, you will wee 500ml of water). Water content and body temperature both need to be kept constant, therefore they are examples of homeostasis.
Definition for exams: Homeostasis is the maintenance of a constant internal environment
http://igcsepro.org/igcse/igcse-biology-revision-notes/homeostasis/
ReplyDeleteCheck this out! this is a link to another resource for homeostasis
summarising the answer to help someone in need:
ReplyDeletehomeostasis: keeping conditions in internal environment of our body constant.
examples of homeostasis :
1)thermoregulation which helps to maintain the temperature in internal environment of our body constant(thermoregul-- use this word while writing cos of the marking scheme keywords)
2)osmoregulation:keeping water contents in internal environment of our body constant.
THESE ARE THE TWO MAIN EXAMPLES