Electrolyte Physiology (Na+, K+, Cl-, Ca2+, and Mg2+)
Dr. Matt and Dr. Mike's Medical Podcast
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What Is Extra Cellular Fluid?
You're made up of trillions and trillions of cells, yes? Do we have a number? 30 trillion ish, give or take a couple of trillion. So each one of those cells is a unit. And inside that they're microscopic. I mean, some you can really ean. Potentially, if it was out isolated on its own, you might be better off not knowing about them.
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