Tuesday, September 7, 2010

Homeostasis

When I think about homeostasis I think of how your body reacts to how fast your body is moving based on what your doing to make it work harder or not at all. Such as when you are running,  your body is using more energy to keep it going but at the same time it is using other fluids in your body and making those levels lower until you contain those fluids again. The body works hard to maintain a norm, but eventually it   does not function the way it should due to the levels of glucose going down while you run or working out. Now when you just sit around, it takes a lot longer for your body levels to start going down because your body is not working as hard or burning as many calories in your body. Negative feedback is when your body is lacking levels of things such as glucose, but because your body stores it, it can produced the stored glucose and put it back into your blood stream. Eventually you will need to refuel yourself with glucose, but your body can keep its norm for awhile.

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