Bones That Guard
Your skeleton is a frame of hard bones that holds you up and lets you move. Some bones also make strong boxes that keep soft, important parts safe.
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In the picture
- The skull is the bony helmet around the brain.
- The rib cage is a set of curved bones wrapping around the heart and lungs.
- The spine is a stack of small bones that shields the spinal cord.
- The pelvis is a wide bone bowl that holds and protects the lower organs.
Examples
- A helmet on a bike rider.
- A cardboard box with dividers around a glass.
Key takeaways
- The skull, rib cage, spine and pelvis all protect soft organs.
- Bones are hard on the outside but light and living inside.
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