The human skeletal system consists of all of the bones, cartilage, tendons, and ligaments in the body. Altogether, the skeleton makes up about 20 percent of a person’s body weight. An adult’s skeleton ...

The once-rare 'fabella' bone has made a dramatic resurgence in human knees, but who's likely to have a fabella or two -- and why? The once-rare 'fabella' bone has made a dramatic resurgence in human ...

Textbooks will tell you that the human body contains 206 bones. But sometimes, there are 208. The fabella, a small bone in a tendon behind the knee, was lost over the course of early human evolution, ...