Most Common Elements in the Human Body - Statistics

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General Stats

This quiz has been taken 150,616 times
147,829 since last reset
The average score is 8 of 12

Answer Stats

Proportion	Element	% Correct
65%	Oxygen	97%
10%	Hydrogen	91%
18%	Carbon	90%
3%	Nitrogen	81%
0.006%	Iron	76%
1.4%	Calcium	70%
0.25%	Potassium	61%
0.15%	Sodium	56%
0.05%	Magnesium	54%
0.25%	Sulfur	40%
1.1%	Phosphorus	37%
0.15%	Chlorine	34%

Score Distribution

Percent of People with Each Score

Percentile by Number Answered

Your Score History

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