A) iron and phosphorus
B) sulphur and calcium
C) calcium and phosphorus
D) calcium and magnesium
Correct Answer: C
Solution :
The matrix of bone has 60-70% mineral salts like calcium phosphate (main component), calcium carbonate, magnesium phosphate, chloride and fluoride. 30-40% of matrix is organic matter, chiefly protein ossein.You need to login to perform this action.
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