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anatomy CH2
elements of the human body
element | symbol/percentage |
---|---|
oxygen | O 65.0 % |
carbon | C 18.5% |
hydrogen | H 9.5% |
nitrogen | N 3.2% |
calcium | Ca 1.5% |
phosphorous | P 1.0% |
potassium | K 0.4% |
sulfur | S 0.3% |
sodium | Na 0.2% |
chlorine | Cl 0.2% |
magnesium | Mg 0.1% |