Which Type of Cell Assists with the Regulation of Blood

Question

Which type of cell assists with the regulation of blood levels of calcium and phosphate?
A) Osteoblasts
B) Osteoclasts
C) Osteocytes
D) Fibroblasts

Accepted Answer

Osteocytes play a role in regulating blood levels of calcium and phosphate by producing a hormone called fibroblast growth factor 23 (FGF23) which inhibits the production of vitamin D and stimulates the excretion of phosphate by the kidneys.