Insects, such as this bettle, have their skeleton on the outside of their body. It acts as a shell, covering and protecting the softer parts underneath. It also protects the insect from any preying animals.
The Skeleton is our Framework of bones. Our bones bones provide a firm surface for muscles to attach to, helping us to move. The skeleton also protects our body's organs. The skull protects the brain. Our heart and lungs are protected by the rib cage. The body's bones vary in shape and size. The places where twobones meet is called a joint, which is where muscles move bones.
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