what are the most common elements in the human body
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Oxygen is the most abundant element in the earth's crust and in the body. The body's 43 kilograms of oxygen is found mostly as a component of water, which makes up 70% of total body weight. Oxygen is also an integral component of all proteins, nucleic acids (DNA and RNA), carbohydrates, and fats.
arya321:
its a copied answer
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carbon
calcium
oxygen
sulphur
calcium
oxygen
sulphur
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