Fluid within the cells is not an example of extracellular fluid. That is option D.
The body fluids are categorised based on the intracellular and extracellular compartments which are both separated by some form of a physical barrier.
The intracellular compartment contains fluids that are located within the cell and is surrounded by the plasma membrane.
While extracellular compartment contains fluids that are located outside of the cell. This compartment contains two main constituents which include:
Both the interstitial fluid and plasma are found within the blood vessels and so are called intravascular fluid.
Learn more about extracellular fluid:
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