Cartilage is an important structural component of the body. It is a firm tissue but is softer and much more flexible than bone. Cartilage is a connective tissue found in many areas of the body including: 1  Joints between bones e.g. the elbows, knees and ankles.2  Ends of the ribs.3  Between the vertebrae in the spine. 4  Ears and nose.artilage is a connective tissue found in many areas of the body including: 1  Joints between bones e.g. the elbows, knees and ankles. 2  Ends of the ribs. 3  Between the vertebrae in the spine. 4  Ears and nose.