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