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Intracellular fluid
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Fluid inside cells
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Extracellular fluid
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Fluid outside cells
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Interstitial fluid
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(fluid in the tissue space between and around cells)
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Intravascular fluid
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Watery plasma, or serum, portion of blood
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Electrolytes
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Chemical compounds, such as sodium and chloride, that are dissolved, absorbed, and distributed in body fluid and possess an electrical charge
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Ions
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Substances that carry either a positive or negative electrical charge).
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Cations
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Electrolytes with a positive charge
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Anions
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Electrolytes with a negative charge
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Nonelectrolytes
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Hemical compounds that remain bound together when dissolved in a solution and do not conduct electricity
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Osmosis
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Helps to regulate the distribution of water by controlling the movement of fluid from one location to another
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Colloids
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Undissolved protein substances such as albumin and blood cells within body fluids that do not readily pass through membranes.
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Hydrostatic pressure
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Pressure exerted against a membrane
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Colloidal osmotic pressure
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Force for attracting water
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Filtration
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the movement of water and substances from a compartment where the pressure is higher to one where the pressure is lower.
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Passive diffusion
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Move from an area of higher concentration to an area of lower concentration
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