Sponsor Area

Locomotion And Movement

Question
CBSEENBI11025462

Bone is mainly composed of

  • iron and phosphorus

  • sulphur and calcium

  • calcium and phosphorus

  • calcium and magnesium

Solution

C.

calcium and phosphorus

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.