Final answer:
During bone remodeling, spongy bone is transformed into compact bone with the periosteum on the outer surface.
Step-by-step explanation:
The remodeling of spongy bone involves the formation of compact bone with the periosteum around the outer surface. Spongy bone is found inside bones and is lighter and less dense than compact bone. During bone remodeling, osteoblasts on the surface of spongy bone become the periosteum, which creates a protective layer of compact bone superficial to the trabecular bone.