If we account for the major elements (O, C, H, N), what percentage of the body's mass do they collectively account for?

Answer

Over 96 percent

The text states that Oxygen, Carbon, Hydrogen, and Nitrogen account for over 96% of the body's mass.

If we account for the major elements (O, C, H, N), what percentage of the body's mass do they collectively account for?

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Are we made of stardust? | Surprising Science - YouTube

ElementOriginhumancompositionstardust