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Q: Homeostasis can occur at the cellular level or the system level. True False
A: A cell must maintain equilibrium or homeostasis with it's surrounding environment in order to function at optimum capacity. [ As the cell is a place where chemical and electrical transactions occur, the cell must be able to excrete waste and take in new materials in equal measure. Unfortunately, the needs of the cell change from moment to moment as the rates at which these chemical processes take
place differ. This means the cell requires a regulating system. Without this regulating system the cell is unable to maintain homeostasis. On a large scale this results in many diseases such as diabetes, gout, and any disease resulting from toxins present within the bloodstream. The cell is not designed to run forever and the gradual loss of homeostasis is largely to blame for the physical characteristics of aging. Extreme and sudden loss of homeostasis can also result in heart failure, as the cellular exchange of Potassium for Sodium in the surrounding interstitial fluid of the body also happens to be the same process which fuels the heart's impulse to beat. ]
liviaa|Points 677|
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Asked 6/28/2013 8:33:53 PM
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