http://www.youtube.com/watch?v=S93-PqJeT-Aendofvid
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Calcium Homeostasis 1
Calcium Homeostasis 2
how the body maintains homeostasis of calcium. Topics discussed include why calcium is important, what are the names for deviations of concentration below and above homeostatic levels, causes of those deviations, effects of those deviations, and how the major methods the body uses to correct those deviations.
A copy of this diagram can be obtained here
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