~~Homeostasis~~
The basic idea of homeostasis is balance, to keep at a constant state
~~Dictionary Definition~~
| state of equilibrium: a state of equilibrium,
or a tendency to reach equilibrium.
Such equilibrium may be reached or maintained metabolically through
biochemical reactions within a cell or organism, or socially and
psychologically within an individual, group, or population.
|
[Early 20th century. Coined from homeo- + Greek stasis “standing still” (see stasis).]
Microsoft® Encarta® Reference Library 2004. © 1993-2003 Microsoft Corporation. All rights reserved.
~~visual representation of Homeostasis~~

"Homeostasis" http://www.colorado.edu/epob/academics/web_resources/cartoons/homeo.html
~~The kidney's function with respect to Homeostasis and the fluid levels~~

