2. Axial Skeleton The axial skeleton is composed of the skull , vertebral column , and thoracic cage . Each of these is essentially a “shaped box” which house and protect the most vital and vulnerable organs of the human body , such as the brain, spinal cord, and the heart, lungs, and kidneys.
3. The Skull – consists of 29 bones and can be subdivided into five areas: Part One
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6. The Cranium (a.k.a. the “braincase”) The cranium consists of eight (8) bones and is specifically defined as the rounded, bony case enclosing and protecting the brain . The cranium also functions as an attachment surface for important groups of muscles , and in the formation of the sinuses , which serve as resonance chambers and help to reduce the total weight of the skull .
![Organization of the Skeleton ,[object Object],[object Object],Axial Skeleton is the “ blue ” Appendicular Skeleton is the “ purple ”](https://image.slidesharecdn.com/axialskeletonparts12-110912102149-phpapp02/85/axial-skeleton-parts-1-2-1-320.jpg)
