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A&P CH18 key terms

A&P CH18 Water, Electrolyte, and the Acid-Base Balance

TermDefinition
acid a substance that ionizes in water to release hydrogen ions
acid-base buffer system occurs in all body fluids and consist of chemicals that combine with excess acids or bases
base substance that ionizes in water to release hydroxide ions (OH) or other ions that combine with hydrogen ions
electrolyte balance condition when the quantities of electrolytes entering the body equal those leaving it
extracellular outside of the cell; refers to the internal environment, body fluids outside individual cells
intracellular within cells
transcellular fluid a portion of the extracellular fluid, including the fluid within special body cavities
water balance when the volume of water entering the body is equal to the volume leaving it
 



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