About chemistry
सामान्य शरीर में तत्वों की औसत मात्रा
- Oxygen ------- 65.0
- Carbon ------- 18.0
- Hydrogen ------- 10.0
- Nitrogen ------- 3.0
- Calcium ------- 2.0
- Phosphorus ------- 1.0
- Potassium -------- 0.35
- Sulphur ------- 0.25
- Sodium ------- 0.15
- Clorine ------- 0.15
- Magnisium ------ 0.05
- Iron ------ 0.004
- Other matter ------- 0.046
- About chemistry
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