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Potassium is a chemical element; it has symbol K (from Neo-Latin kalium) and atomic number 19. It is a silvery white metal that is soft enough to easily cut with a knife. [9] Potassium metal reacts rapidly with atmospheric oxygen to form flaky white potassium peroxide in only seconds of exposure.
Eating potassium-rich foods may not be sufficient for correcting low potassium; potassium supplements may be recommended. Potassium contained in foods is almost entirely coupled with phosphate and is thus ineffective in correcting hypokalemia associated with hypochloremia that may occur due to vomiting, diuretic therapy, or nasogastric drainage ...
Middle-of-the-night insomnia, or "sleep maintenance insomnia", also called terminal insomnia in contrast with "initial insomnia", is characterized by having difficulty returning to sleep after waking up during the night or very early in the morning. Initial or "sleep-onset" insomnia consists of having difficulty falling asleep at the beginning ...
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The sodium–potassium pump a critical enzyme for regulating sodium and potassium levels in cells. Potassium is the main intracellular ion for all types of cells, while having a major role in maintenance of fluid and electrolyte balance. [1] [2] Potassium is necessary for the function of all living cells and is thus present in all plant and ...
(Well, it's not possible to make a perfect season tracking calendar as the eccentricity of the Earth makes the solstices and equinoxes move around a bit, but the it shouldn't ever get further from it's average date by about 21/3 days (and even that takes longer than our months have existed), plus 1¼ day if you have to wait 400 years for the ...
Thirst (1886), by William-Adolphe Bouguereau. Thirst is the craving for potable fluids, resulting in the basic instinct of animals to drink.It is an essential mechanism involved in fluid balance. [1]