Abstract
It is surprising how few components comprise the bulk of human body composition at the elemental and molecular levels. At the elemental level, nearly 97% of body mass is accounted for by the mass of just four elements: oxygen (61%), carbon (23%), hydrogen (10%), and nitrogen (3%) (Wang 1992). Even the remaining 3% is nearly all accounted for when the masses of calcium, phosphorus, sodium, potassium, and chlorine are included. At the molecular level, three broad categories of molecules account for 92% of body mass (Wang 1995). These are water (57%), triglycerides (17%), and proteins (17%). Another 7% can be broadly classified as mineral, leaving only 2% of body mass uncategorized.
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Schoeller, D.A. (2000). Indicator Dilution Methods. In: Pierson, R.N. (eds) Quality of the Body Cell Mass. Serono Symposia USA. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-2090-9_5
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DOI: https://doi.org/10.1007/978-1-4612-2090-9_5
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