The rib cage shields the heart and lungs and moves with every breath. It's the sternum in front, the thoracic spine behind, and 12 pairs of ribs — grouped by how they attach in front. Tap each.
True ribs
The thoracic cagesternum + 12 rib pairs
The pieces
📷 Reference image
A real labeled figure to compare with the interactive above.
The Thoracic Cage — OpenStax, CC BY 3.0 (via Wikimedia Commons)
