Approximate percentage of elements in Human body- • Oxygen - | NEET Biology Physics Chemistry question and answer by careeradvice.in

Approximate percentage of 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%