Multiple Choice
When giving chest compressions during CPR the thoracic cavity can flex in and out without breaking bones. What is one reason that the thoracic cage is able to flex in this manner?
False ribs do not articulate with the costal cartilage.
The costal cartilage that connects to true ribs connects directly to the sternum.
The true ribs articulate with the sternum, while false ribs do not.
False ribs articulate with costal cartilage but are not connected to the sternum.