Assertion: elemental abundance | /r/HasProperty | magnesium
Facets:
Source sentences:
text: Elemental abundance in the human body Element Proportion (by mass) Oxygen 65 Carbon 18 Hydrogen 10 Nitrogen 3 Calcium 1.5 Phosphorus 1.2 Potassium 0.2 Sulfur 0.2 Chlorine 0.2 Sodium 0.1 Magnesium 0.05 Iron < 0.05 Cobalt < 0.05 Copper < 0.05 Zinc < 0.05 Iodine < 0.05 Selenium < 0.01