Consider the wonder of ...

OUR CORPOREAL SELVES

We are made primarily of atoms of

hydrogen (6.58 kg for a 70 kg person)
carbon (12.59 kg for a 70 kg person)
nitrogen (1.82 kg for a 70 kg person)
oxygen (43.55 kg for a 70 kg person)

 

Where did they come from?

 

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