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{{Short description|Chemical element required as an essential nutrient by organisms to perform life func ...c (gray sphere near the center of this image), is essential for exhalation of carbon dioxide.]] ...

{{Short description|Chemical element required as an essential nutrient by organisms to perform life func ...c (gray sphere near the center of this image), is essential for exhalation of carbon dioxide.]] ...

...use of potassium as a medication|Potassium chloride (medical use)|the use of potassium in biology|Potassium in biology}} ...d occurs in many [[mineral]]s such as [[orthoclase]], a common constituent of [[granite]]s and other [[igneous rock]]s. ...

...use of potassium as a medication|Potassium chloride (medical use)|the use of potassium in biology|Potassium in biology}} ...d occurs in many [[mineral]]s such as [[orthoclase]], a common constituent of [[granite]]s and other [[igneous rock]]s. ...

{{Short description|Biomolecule consisting of chains of amino acid residues}} {{About|a class of molecules|protein as a nutrient|Protein (nutrient)}} ...

{{Short description|Biomolecule consisting of chains of amino acid residues}} {{About|a class of molecules|protein as a nutrient|Protein (nutrient)}} ...

{{short description|Ancient Greek and Roman system of medicine involving four fluid types}} ...emperament|four temperaments|humors in Ayurvedic medicine|Ayurveda|the use of humor in writing or public speaking|Humorist}} ...

{{Short description|Set of chemical reactions in organisms}} [[File:Metabolism.png|thumb|Simplified view of the cellular metabolism]] ...

{{Short description|Set of chemical reactions in organisms}} [[File:Metabolism.png|thumb|Simplified view of the cellular metabolism]] ...

{{About|the chemical element}}{{Short description|Metallic element, symbol Zn}} ...ralia, Asia, and the United States. Zinc is refined by [[froth flotation]] of the ore, [[Roasting (metallurgy)|roasting]], and final [[extractive metallu ...

{{About|the chemical element}}{{Short description|Metallic element, symbol Zn}} ...ralia, Asia, and the United States. Zinc is refined by [[froth flotation]] of the ore, [[Roasting (metallurgy)|roasting]], and final [[extractive metallu ...

...capsules.jpg|thumb|As a softgel capsule used for fish oil or large amounts of vitamin E]] ...f Cod Liver Oil, 1942 D6761.jpg|thumb|Production of [[cod liver oil]], one of the first dietary supplement products manufactured, in the 18th century]] ...

...capsules.jpg|thumb|As a softgel capsule used for fish oil or large amounts of vitamin E]] ...f Cod Liver Oil, 1942 D6761.jpg|thumb|Production of [[cod liver oil]], one of the first dietary supplement products manufactured, in the 18th century]] ...

...image3=Goliath beetle.jpg|image4=Tree Fern.jpg|footer=Biology is the study of life. ...ight | first6 = Ann | date = December 2015 | title = A physiologist's view of homeostasis | journal = Advances in Physiology Education | volume = 39 | is ...