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Write short notes : Rib cage...

Write short notes : Rib cage

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The rib cage is the cage like structure in the chest region. It is made up of 12 pairs of ribs and a single central bone in front called sternum. Thus in all 25 bones from a rib cage. Ribs are joined to the vertebral column or spine on the back side. Inside this bony cage two lungs and a heart are very well protected.
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