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Homeostasis

Homeostasis. Maintenance of a stable internal environment. Levels of Organization in the Body. Molecular Cellular Tissues Organs Systems. Methods of Gaining Heat. Metabolism Environmental changes. Methods of Losing Heat. Evaporation - converts liquid water to vapor

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Homeostasis

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  1. Homeostasis Maintenance of a stable internal environment.

  2. Levels of Organization in the Body • Molecular • Cellular • Tissues • Organs • Systems

  3. Methods of Gaining Heat • Metabolism • Environmental changes

  4. Methods of Losing Heat • Evaporation - converts liquid water to vapor • Conduction - direct contact between objects • Convection - conduction where one object is in motion • Radiation - loss of heat to environment due to a temperature gradient

  5. Methods for Body Cooling • Sweating • Dermal blood vessel dilation

  6. Methods for Body Warming • Shivering • Dermal blood vessel constriction

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