The four elements that make up about 96% of body matter are:

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    calcium, potassium, sodium, oxygen.
    carbon, hydrogen, oxygen, and nitrogen.
    hydrogen, helium, carbon and calcium.
    hydrogen, helium, nitrogen and carbon.
    hydrogen, oxygen, calcium, and nitrogen.
asked May 27, 2013 in Anatomy & Physiology by anonymous
    

1 Answer

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carbon, hydrogen, oxygen, and nitrogen.
answered May 28, 2013 by NewSky ~Expert~ (2,450 points)

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