Question

Marriot is observing a model of a rib cage in her school laboratory. She can see that some of the ribs are attached to a cartilage and not directly to the sternum, and some are incomplete and do not attach to the sternum. Which ribs must she be observing?

A. False ribs and floating ribs respectively

B. Floating ribs and false ribs respectively

C. True ribs and false ribs respectively

Answer 1

C. True Ribs and False Ribs respectively. Both true ribs and false ribs are not directly attached to the sternum as they are connected by a cartilage known as the costal cartilage. Incomplete ribs, which are called the floating ribs are part of the false ribs.