Health & Phys Ed
Your body probably contains enough carbon to make 900 pencils! Our bones and other tissues are full of all sorts of substances that we never think about. For instance, you contain enough sulphur to kill all of the fleas on an infested dog, enough potassium to fire a toy cannon, and enough phosphorus to make more than 2,000 matchstick heads.
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National Association for Sport and Physical Education
