Elements in Human body

• Oxygen - 65%

• Carbon - 18%

• Hydrogen - 10%

• Nitrogen - 3%

• Calcium - 2%

• Phosphorous - 1%

• Potassium - 0.35%

• Sodium - 0.15%

• Chloride - 0.15%

• Magnesium - 0.05%

• Iron - 0.0004%