Labels:bulletin board | cake | earth | ootid | sideroblast | sky OCR: COMPACT BONE "HE BONES in your skeleton are your arm and leg bones It is made made up of several different up of solid columns, hich make it lay An outer layer, called strong and heavy It is thickest in compact bone (shown here in places where the bone is most cross section). covers the shafts of likely to brea at its stress points. Blood vessels Columns of bony material fseveral layers break
