A 75-year-old woman and her 9-year-old granddaughter were victims of a train crash. In both cases, trauma to the chest was sustained. X-rays of the grandmother revealed several fractured ribs, but her...

A 75-year-old woman and her 9-year-old granddaughter were victims of a train crash. In both cases, trauma to the chest was sustained. X-rays of the grandmother revealed several fractured ribs, but her granddaughter had none. Explain these different findings.

Match the bones in column B with their description in column A. (Note that some descriptions require more than a single choice.)