Lesson: Chapter 1 — The Chemical Basis of Life

1.6. Mineral salts 2 of 12 Reset answers

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Question 2

About three quarters of the mineral salts in the human body are which two elements?

A Iron and iodine B Magnesium and copper C Calcium and phosphorus D Sodium and potassium

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Calcium and phosphorus make up about 3/4 of that 7%.

Both are needed for the growth of teeth and bones, which is where most of them sit. Potassium, iron, magnesium, copper and iodine make up the remainder.

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