Multiple choice Which of the following minerals is found in the highest amount in human body? Sodium Calcium Phosphorus Iron Reveal answer Fill a bubble to check yourself B Correct answer Explanation Approximate elementary composition of human body (dry weight basis) is as follows: a. Calcium - 4%b. Phosphorus -2.5%c. Sodium - 0.4%d. Iron - 0.01%e. Iodine - 0.0000.5%f. Chlorine - 0.4%