Fill in the table “The main groups of chemical elements that make up the living”

The content of chemical elements in the cell

Element Amount, % Element Amount, %
Oxygen 65-75 Calcium 0.04-2.00
Carbon 15-18 Magnesium 0.02-0.03
Hydrogen 8-10 Sodium 0.02-0.03
Nitrogen 1.5-3.0 Iron 0.01-0.015
Phosphorus 0.2-1.0 Zinc 0,0003
Potassium 0.15-0.4 Copper 0,0002
Sulfur 0.15-0.2 Iodine 0.0001
Chlorine 0.05-0.10 Fluorine 0.0001
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