Answer
Bone and cartilage are types of connective tissues in the body. A bone is hard tissue that forms the skeletal structure of the body. Cartilage, by comparison, is not as hard and rigid as bone, and is present in areas of the body like the ear, nose, and joints. In the joints of the body, cartilage covers the ends of the bones and acts as a shock absorber to prevent bones from rubbing against each other.
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Cartilage Page 155