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Cell Composition
Extracellular and Intracellular Fluid Compostition
| Question | Answer |
|---|---|
| Extracellular Na+ concentration | 142 mM |
| Extracellular K+ concentration | 4 mM |
| Extracellular Ca++ concentration | 2.4 mM |
| Extracellular MG++ concentration | 1.2 mM |
| Extracellular Cl- concentration | 103 mM |
| Extracellular HCO3- concentration | 28 mM |
| Extracellular PO4 3- concentration | 4 mM |
| Intracellular Na+ concentration | 10 mM |
| Intracellular K+ concentration | 140 mM |
| Intracellular Ca++ concentration | 0.001mM |
| Intracellular Mg++ concentration | 0.58 mM |
| Intracellular Cl- concentration | 4 mM |
| Intracellular HCO3- concentration | 10 mM |
| Intracellular PO4 3- concentration | 75 mM |