An element in the alkali group of metals with an atomic symbol K, atomic number 19, and atomic weight 39.10. It is the chief cation in the intracellular fluid of muscle and other cells. Potassium ion is a strong electrolyte that plays a significant role in the regulation of fluid volume and maintenance of the WATER-ELECTROLYTE BALANCE.
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Chlorides
Inorganic compounds derived from hydrochloric acid that contain the Cl- ion.
Chloride,Chloride Ion Level,Ion Level, Chloride,Level, Chloride Ion
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Humans
Members of the species Homo sapiens.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
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Sodium
A member of the alkali group of metals. It has the atomic symbol Na, atomic number 11, and atomic weight 23.
Sodium Ion Level,Sodium-23,Ion Level, Sodium,Level, Sodium Ion,Sodium 23