Question

Select the order of elements present in abundance in living tissues of human body:

• A. C > O > N > Ca
• B. Ca > C > N > O
• C. O > C > N > Ca
• D. C > O > Ca > N

Answer 1

The correct option is C O > C > N > Ca

The elemental analysis of living tissues in the human body gives the elemental composition in the form of oxygen, carbon, nitrogen, calcium, hydrogen, sulphur and magnesium as major components. The element found the most is oxygen which is 65%, followed by 18.5% of carbon, 3.3% of nitrogen, 1.5% of calcium etc.