WAEC Biology 2015 Theory — Question 6
Question 6 of 19 from the West African Examinations Council (WAEC) Biology 2015 Theory paper, with the correct answer and a full explanation.
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2(c). Name one mineral element each needed for the proper functioning of: (i) bones; (ii) red blood cell; (iii) thyroid gland.
Model answer
(i) An essential mineral element for proper functioning of the bone is calcium/phosphorus. (ii) An essential mineral element for proper functioning of red blood cells is iron. (iii) An essential mineral element for proper functioning of the thyroid gland is iodine.
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