Which of the following is NOT true of the cartilage of the adult skeleton?
A. Costal cartilage, articular cartilage, and intervertebral discs are all composed of fibrocartilage.
B. Articular cartilage is found on the ends of bones in joints, and reduces friction between joint-forming surfaces of the bones.
C. Costal cartilages connect the ribs to the sternum.
D. Intervertebral discs lie between adjacent vertebrae, and provide shock absorption for the vertebrae.
E. All of these are true of the cartilage of the adult skeleton.
Answer: A
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