The cavity of the Pelvic girdle is known as the acetabulum. Sutures are the fibrous joints that are found in the skull. The first cervical vertebra is the atlas. There are twelve pairs of ribs. Moreover, the last two pairs are known as the floating ribs. Parietal bone and the temporal bone of the skull are joined by fibrous joints is the correct statement regarding the description of a certain part of a normal human skeleton.