sion with no bony protection abdominal ??? ??? ??? most important minerals stored in bones are calcium and phosphorus ??? ??? ??? Vertabrae are considered____ bones, whereas ankle bones are considered_____ irregular;short ??? ??? ??? bone category usually cube-shaped short bone ??? ??? ??? the periosteum is secured to the underlying bone by sharpey's fibers ??? ??? ??? the presence of an epiphysea