Question

Besides calcium phosphate, the bones contain

• A. Calcium chloride
• B. Magnesium carbonate
• C. Sodium chloride
• D. Magnesium phosphate

Answer 1

The correct option is D Magnesium phosphate

The salts of magnesium and calcium forms an integral part of the skeletal system. Magnesium combines with phosphates, to form magnesium phosphate which contributes to the bone density. It forms major part of dry matter of bones. Osteoporosis is caused, due to the decrease in the density of calcium and magnesium salts in the body. It also helps in muscle contraction. 60% of the total magnesium are present in the bones.
So, the correct option is D.