The intracellular fluid (ICF) and extracellular fluid (ECF) of a cell are differ

The intracellular fluid (ICF) and extracellular fluid (ECF) of a cell are different. For example, there is more water in the cytoplasm in comparison to the surrounding ECF. There are also a variety of dissolved ions in both fluids. Sodium is more abundant in the extracellular fluid and potassium is more abundant in the intracellular fluid..
Think about this carefully, the concentration of potassium is more abundant in the ICF than in the ECF, under normal conditions ( during homeostasis). Both potassium and sodium are derived from the blood stream and both find their way into these fluid compartments. If a patient is in a motor vehicle accident (MVA) and their potassium levels are continuously increasing in the blood stream, why do you think this is a bad prognosis? Remember, life can only exists when there are healthy cells.

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