Why do we need a skeleton?, It supports our body and protects important organs, Why is the skull hard?, To protect the brain, Why is the rib cage made of many bones?, To protect the heart and lungs while allowing the chest to move when we breathe, Why aren't all bones the same size and shape?, Because they have different jobs, Why does a dog have a different skeleton from a human?, Because a dog has a different body shape and moves differently

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