consists of a cylindrical shaft called the disthesis

with an enlarged knob call the epiphysis - inside is the spongy bone.

It is made up of compact bone that covers each end.

the central cavity is filled with yellow bone marrow (primary fat) which can be used for energy.

covered by a layer of connective tissue the eriostemon.

it contains fibers of collagen and/or elastin in a ground substance of water and other material.

it is smoother and more flexible than bone. cartilage can be found where support under pressure and where movement is necessary.

stem cells