Which statement is true of the cells of bone?
A)Osteocytes regulate the calcium metabolism of adult bones.
B)Osteoblasts blast away old bone when repair is needed.
C)Both A and B.
D)Both A and B,and osteoclasts produce new bone matrix.

Question

Quizplus · Accepted Answer

Osteocytes are mature bone cells that regulate the mineral and calcium metabolism of adult bones.

Answer: B 
 Osteoblasts are bone forming cells that lay down new bone matrix, they do not blast away old bone. Osteoclasts, on the other hand, are bone-resorbing cells that break down old bone matrix.

Which Statement Is True of the Cells of Bone