View source for Chemical makeup of the human body

The average 70 kilogram [[human body|adult]] is composed of the following [[chemical element]]s:

{| class="wikitable sortable" style="text-align:center"
! Element !! Percentage<ref>Thomas J. Glover, comp., ''Pocket Ref'', 3rd ed. (Littleton: Sequoia, 2003), p. 324 ({{LCCN|2002091021||}}), which in turn cites Geigy Scientific Tables, Ciba-Geigy Limited, Basel, Switzerland, 1984.</ref> !! Mass (kg)<ref name="A">J. Emsley, ''The Elements'', 3rd ed., Oxford: Clarendon Press, 1998.</ref>
|-
| [[Oxygen]] || 65 || 43
|- 
| [[Carbon]] || 18 || 16 
|- 
| [[Hydrogen]] || 10 || 7
|- 
| [[Nitrogen]] || 3 || 1.8
|- 
| [[Calcium]] || 1.5 || 1.0
|- 
| [[Phosphorus]] || 1 || 0.780
|- 
| [[Potassium]] || 0.25 || 0.140
|- 
| [[Sulfur]] || 0.25 || 0.140
|- 
| [[Chlorine]] || 0.15 || 0.095
|- 
| [[Sodium]] || 0.15 || 0.100
|- 
| [[Magnesium]] || 0.05 || 0.019 
|- 
| [[Iron]] || 0.006 || 0.0042
|- 
| [[Fluorine]] || 0.0037 || 0.0026
|- 
| [[Zinc]] || 0.0032 || 0.0023 
|- 
| [[Silicon]] || 0.002 || 0.0010
|- 
| [[Zirconium]] || 0.0006 || 0.000001
|- 
| [[Rubidium]] || 0.00046 || 0.00068
|- 
| [[Strontium]] || 0.00046 || 0.00032
|- 
| [[Bromine]] || 0.00029 || 0.00026 
|- 
| [[Lead]] || 0.00017 || 0.00012
|- 
| [[Niobium]] || 0.00016 || 0.0000015
|- 
| [[Copper]] || 0.0001 || 0.000072
|- 
| [[Aluminum]] || 0.000087 || 0.000060
|- 
| [[Cadmium]] || 0.000072 || 0.000050
|- 
| [[Boron]] || 0.000069 || 0.000018
|- 
| [[Cerium]] || || 0.000040
|- 
| [[Barium]] || 0.000031 || 0.000022
|- 
| [[Arsenic]] || 0.000026 || 0.000007
|- 
| [[Vanadium]] || 0.000026 || 0.00000011
|- 
| [[Tin]] || 0.000024 || 0.000020
|- 
| [[Mercury (element)|Mercury]] || 0.000019 || 0.000006
|- 
| [[Selenium]] || 0.000019 || 0.000015
|- 
| [[Manganese]] || 0.000017 || 0.000012
|- 
| [[Iodine]] || 0.000016 || 0.000020
|- 
| [[Gold]] || 0.000014 || 0.0000002
|- 
| [[Nickel]] || 0.000014 || 0.000015
|- 
| [[Molybdenum]] || 0.000013 || 0.000005
|-
| [[Germanium]] || || 0.000005
|- 
| [[Titanium]] || 0.000013 || 0.000020
|- 
| [[Tellurium]] || 0.000012 || 0.0000007
|- 
| [[Antimony]] || 0.000011 || 0.000002
|- 
| [[Lithium]] || 0.0000031 || 0.000007
|- 
| [[Chromium]] || 0.0000024 || 0.000014
|- 
| [[Caesium|Cesium]] || 0.0000021 || 0.000006
|- 
| [[Cobalt]] || 0.0000021 || 0.000003
|- 
| [[Silver]] || 0.000001 || 0.000002
|-
| [[Lanthanum]] || || 0.0000008
|-
| [[Gallium]] || || 0.0000007
|- 
| [[Uranium]] || 0.00000013 || 0.0000001
|- 
| [[Beryllium]] || 0.000000005 || 0.000000036
|- 
| [[Radium]] || 0.00000000000000001 ||
|-
| [[Yttrium]] || || 0.0000006 
|- 
| [[Bismuth]] || || 0.0000005
|- 
| [[Thallium]] || || 0.0000005 
|- 
| [[Indium]] || || 0.0000004
|- 
| [[Scandium]] || || 0.0000002
|- 
| [[Tantalum]] || || 0.0000002
|- 
| [[Thorium]] || || 0.0000001
|- 
| [[Samarium]] || || 0.000000050
|- 
| [[Tungsten]] || || 0.000000020
|}

==References==
{{reflist|2}}

[[Category:Biology and pharmacology of chemical elements]]
[[Category:Human anatomy]]
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