It is thought that remodeling or bone growth is in response to the forces placed on it. Which of the following hypotheses may explain how mechanical forces communicate with cells responsible for bone remodeling?
A) Increase in the synthesis of growth hormone directs the remodeling process.
B) Vitamin D enhances the remodeling process.
C) Bone deposition by osteoclasts is responsible for remodeling.
D) Electrical signals direct the remodeling process.
Answer: D