There are flat bones in the skull (occipital parietal, frontal nasal, lacrimal and vomer) and the thoracic cavity (sternum and the ribs) as well as the pelvis (ilium and pubis). pubis). Flat bones guard internal organs such as the heart, brain, and organs in the pelvis. Flat bones, which have http://dantepjuab.full-design.com/What-is-the-relationship-between-Arthritis-and-bones--48865392