___________ bones composed of two or more parallel plates of compact bone enclosing spongy bone.
Flat
Long bones - Consist of a shaft with a knob at each end. A shaft is thick walled, tubular, filled with yellow marrow, ends are spongy e.g., bones of arms, legs, and chest(ribs).
Short bones - Box like, spongy bone, show little movement, e.g., ankle, wrist.
Flat bones - Composed of two or more parallel plates of compact bone enclosing spongy bone. e.g., shoulder blade, skull, sternum.
Irregular bones - Complex shape, vary in the amount of bone tissue, compact and spongy e.g., facial bones vertebral bones.