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 calcium metabolism of adult bones, but they do not blast away old bone. Osteoblasts are responsible for producing new bone matrix, not for breaking down old bone. Osteoclasts are the cells responsible for breaking down old bone. Therefore, option C and D are incorrect.

Which Statement Is True of the Cells of Bone