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| Description: Almost all bones are classified into 5 main types based on shape: Long (greater seed length than width Short (cube shaped) Flat (thin layers of parallel plates) Irregular (complex shapes) Sesamoid (shaped like a sesame seed ) Divisions of the Skeletal System The human skeleton consists of 206 named bones grouped into two principal divisions: Axial skeleton (80 bones) Appendicular skeleton (126 bones) The axial skeleton: Skull bones, auditory ossicles (ear bones), hyoid bone, ribs, sternum (breastbone), and bones of the vertebral column. The appendicular skeleton: Bones of the upper and lower limbs (extremities) and the bones forming the girdles that connect the limbs to the axial skeleton. Picture Stats: Views: 266 Filesize: 340kB Height: 633 Width: 613 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=41230 |