What is the function of the periosteum in bones? A) To regulate the flow of blood in the bone marrow. B) To provide sensitivity to the bone. C) To...

The correct answer is:

C) To provide nutrients and blood supply to the bone.

The periosteum is a dense, fibrous membrane that covers the outer surface of bones. Its main functions include providing nutrients and blood supply to the bone, as well as serving as a site for the attachment of ligaments and tendons. While it does contribute to sensitivity by containing nerves, the primary role mentioned in the options is related to the provision of nutrients and blood supply.