The hardness of bone is due to the deposition of
- A. salts of calcium, such as calcium phosphate
- B. silica particles
- C. sodium chloride crystals
- D. chitin fibres
Explanation
Bone combines a flexible framework of collagen with hard calcium salts, giving both strength and a little spring. Without the mineral component bone would bend, and without collagen it would shatter, which is why both parts matter.
Related questions
Which of the following bones belongs to the axial skeleton?
The number of cervical vertebrae in the human vertebral column is
The longest and strongest bone of the human body is the
In compact bone, the concentric rings of matrix laid down around a central canal form a structure called
The number of pairs of true ribs in the human body is