BIOELEMENTS AND THEIR PERCENTAGES
The elements which are used in formation of various chemical compounds from which living organisms are made are called Bio-elements.
Out of 92 naturally occurring chemical compounds, only 16 are bio-elements and out of these 16 only 6 account for 99% of the total mass in human body.
Percentages of Bio-Elements by Mass in Human Being
Oxygen 65% |
Carbon 18% |
Hydrogen 10% |
Nitrogen 3% |
Calcium 2% |
Phosphorous 1% |
Potassium 0.35% |
Sulphur 0.25% |
Chlorine 0.15% |
Sodium 0.15% |
Magnesium 0.05% |
Iron 0.004% |
Some elements like Copper, Manganese, Zinc and iodine are present in Traces.
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