The rib cage is part of the axial skeleton. The average human is born with the same number of ribs regardless of gender. The ribs articulate with the thoracic vertebra. For example, the first rib ...

The ribs and rib cage are excellent examples of the human body’s multifaceted and multifunctional design. They are strong enough to support the skeleton and protect the vital organs in the chest ...

If you can see the Flash movie then please ignore this message. True, false and floating ribs Your ribcage is assembled from three types of bone - your sternum, 12 pairs of ribs and 12 thoracic ...

Imagine the ribs of a reptile broadening and fusing to become the bony back-plate of a tortoise. If you turn the skeleton over and look at the inside, you can even figure out how the shell evolved.

Before the evolution of legs from fins, the axial skeleton -- including the bones of the head, neck, back and ribs -- was already going through changes that would eventually help our ancestors ...