Chemical makeup of the human body
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The average 70 kilogram adult is composed of the following chemical elements:
Element | Percentage[1] | Mass (kg)[2] |
---|---|---|
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 | 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 |
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
- ↑ Thomas J. Glover, comp., Pocket Ref, 3rd ed. (Littleton: Sequoia, 2003), p. 324 (Template:LCCN), which in turn cites Geigy Scientific Tables, Ciba-Geigy Limited, Basel, Switzerland, 1984.
- ↑ J. Emsley, The Elements, 3rd ed., Oxford: Clarendon Press, 1998.