Flat bones can be found in the skull (occipital and frontal, frontal and nasal the lacrimal and vomer), the chest (sternum, ribs and the sternum) and the pelvis(ilium pubis, ischium, and ilium). The flat bones protect internal organs like the brain, heart as well as the pelvic and pelvic. Flat http://jaidenicpbl.pages10.com/What-is-the-relationship-between-bones-and-arthritis--42555542