Oxygen
chemicals elements in the human body
1 Oxygen (8) 65%
2 Carbon (6) 18%
3 Hydrogen (1) 10%
4 Nitrogen (7) 3%
5 Calcium (20) 1.5%
6 Phosphorus (15) 1%
7 Potassium (19) 0.35%
8 Magnesium (12) 0.25%
9 Sodium (11) 0.15%
Lithium
Sulfur
Iron
Fluorine
Zinc
Sillicon
Iodine
Selenium
Chromium