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Thoracic
Cage [bony thorax]
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Sternum
[breastbone]
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Ribs
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True
ribs 1 – 7
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[vertebrosternal]
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False
ribs 8 – 10
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[vertebrochondrodral]
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Floating
ribs 11 & 12
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[vertebral]
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Costal
cartilage
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Protects
the heart,
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lungs
and great vessels
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Supports
the bones of
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the
shoulder girdle
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Plays
a role in
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breathing
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