All of the following are differences between periosteum and endosteum except:
A Periosteum is important for bone recovering from injuries, and bone remodeling, while endosteum is not
B Periosteum is thicker and stronger, has more tough collagen fibers than endosteum
C Endosteum covers the surface of the spongy bone and medullary cavity, while the periosteum covers the outer surface of the compact bone.