Homeostasis Assignment.docx

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Homeostasis Assignment 1. Define homeostasis. A. The ability of an organism to maintain constant internal body temperature, fluid balance and chemistry while in a changing external environment. 2. Give an example of dynamic equilibrium. A. A heating system within a home is an example of a dynamic equilibrium. 3. At what levels of our biological organization is homeostasis happening? A. Homeostasis is maintained at many levels of biological organization. For example, the stomach maintains a pH that's different from that of surrounding organs, and each individual cell maintains ion concentrations different from those of the surrounding fluid. Maintaining homeostasis at each level is key to maintaining the body's overall function. Homeostasis is happening at all levels of biological organization; from cells to tissues to organs to organ systems to organisms to the environment of regions of Earth and to the entire Earth.
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