Biology
NULL
Medium
Question
Oxygen accounts for ____ % of totals human body mass?
A
0.65
✓ Official correct answer
B
0.18
C
0.1
D
0.03
Community credibility
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A
0.65
No member explanations yet for this option.
B
0.18
No member explanations yet for this option.
C
0.1
No member explanations yet for this option.
D
0.03
No member explanations yet for this option.
Explanation
Oxygen accounts for roughly 65% of total human body mass, largely due to its presence in water and organic molecules.