Question

The presence of what makes the matrix of bones hard?

• A. Phosphate salts
• B. Chondroitin salts
• C. Calcium salts
• D. Sodium salts

Answer 1

Answer:

C. Calcium salts

• The bones and cartilages that make up our skeletal system are specialised connective tissues.

• The matrix of bones is hard due to the presence of calcium salts, while that of cartilage is slightly pliable.