Term
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Definition
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* The maintenance of a constant internal environment
* Homeostasis is the bodies ability to maintain internal stability, even when the environment around it changes. In a state of homeostasis, the body is able to detect harmful changes in its environment and activate mechanisms that counteract them. If the body loses its ability to maintain homeostasis, the result is usually disease or death. |
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Term
| WHAT IS NEGATIVE FEEDBACK |
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Definition
| Deviation from a normal valvue is resisted or negated; body temperature regulation, antidiuretic hormone regulation of water retention in blood, blood pressure, blood levels, heart rate & depth of breathing. |
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Term
| Outline homeostatic mechanisms evident in the human body? |
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Definition
* Mechanisms that involve organs, glands & tissues
* Constant monitor & adjustment of temperature, fluid composition, sugar, gas concentrations, blood pressure |
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| Outline importance of body fluids to maintenance of life? |
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Definition
* Body relies upon a constant fluid level to ensure metabolic reactions with cells can proceed.
* Gas, nutrients, ions, hormones & wastes are carried through body fluids. |
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Term
| Distinguish between compartments of extracellular fluid? |
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Definition
* Made of water with more ions, glucose, but has no organelles to break down the energy it produces.
* Made of 2 types of fluid. |
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Term
| Marinating the internal environment levels within narrow limits is .... |
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Definition
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