a. Osteoblasts/Osteoclasts. Osteoblasts are cells that make and repair bone. Osteoclasts are cells which tear down and remove bone. Bone is continually being remodeled as a person lives. Remodeling is in direct response to the stresses placed on the bone.
b. Types of Bone Tissues. There are two major types of bone tissue. One is compact bone CT, which is dense. The other is cancellous bone CT, which is spongy. Compact bone CT forms the hard outer layers of bones as organs. Cancellous bone CT forms the inner, lighter portion of bones.
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