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The skeletal system: The axial skeleton

This article, the third in a four-part series, explores the axial skeleton. Part four will look at the appendicular skeleton. There are a total of 206 bones in the human adult body (Tortora and Grabowski, 2003), which are divided into two main parts (Fig 1). The axial skeleton consists of the bones of the skull, vertebral column, sternum and ribs, and has a total of 80 bones. The appendicular skeleton consists of bones of the pectoral girdle, pelvic girdle and limbs, and has a total ...

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