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→Key Stage 4
==Key Stage 4==
===Meaning===
[[Cartilage]] is a firm [[tissue]] in the [[Skeletal System|skeletal system]] that is softer than [[bone]].
===About Cartilage===
: [[Cartilage]] is used to support the shape of some structures in the body including the [[nose]], the [[pinna]] and the [[trachea]].
: [[Cartilage]] is found between the [[bone]]s in a joint and is there to stop the [[bone]]s rubbing together.