Ribs 8 to 12 are Called ________ Because They Do

Question

Ribs 8 to 12 are called ________ because they do not attach directly to the sternum.
A) free
B) false
C) floating
D) fibrous
E) filamentous

Accepted Answer

Ribs 8 to 12 are called "false ribs" because they do not attach directly to the sternum. Ribs 8 to 10 connect to the sternum via cartilage, while ribs 11 and 12 are also known as "floating ribs" because they do not attach to the sternum at all.