1. Education
Carbon is found in every organic molecule in the body.
Photograph of graphite, one of the forms of elemental carbon.

Photograph of graphite, one of the forms of elemental carbon.

U.S. Geological Survey
Carbon is ingested in food the food we eat and in the air we breathe. Carbon accounts for 18.6% of the total mass of the human body. We even expel carbon as a waste product when we exhale in the form of carbon dioxide.

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