Name the chemical elements which are most in living organisms.
| December 16, 2020 | education
All living things are made up of chemical elements
There are a lot of them in our body.
Trace elements
Oxygen 62%
Carbon 20%
Hydrogen 10%
Nitrogen 3%
Trace elements
Chlorine 0.2%
Calcium 2.5%
Phosphorus 1%
Sulfur 0.25%
Potassium 0.25%
Sodium 0.1%
Magnesium 0.07%
Iron 0.01%
Ultra microelements
Iodine 0.01%
Copper trace amounts
Manganese – “-
Molybdenum – “-
Cobalt-“-
Boron – “-
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