There are four kinds of bones that are flat including the skull (occipital-parietal, frontal-frontal, nasal and vomer), as well as the thoracic (sternum) and ribs as well the pelvis (ilium (ischium) and pubis). Flat bones guard internal organs like the heart, brain and organs in the pelvis. Flat bones can https://ra97297.eedblog.com/8510601/what-is-the-relationship-between-bones-and-the-issue-of-arthritis