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If your backbone were just one long bone, you would not be able to move side to side or bend of twist your back. Your back would be stiff. It would be difficult to sit down. You couldn't curl up under the covers on a cold morning. You couldn't do a jack knife high-dive. It would be impossible to slouch in your seat. Plus, each vertebrae acts as it's own little stretching tool. They all work together so that you can be more flexible. With just one bone, you would always be completely straight up like a robot. A flexible spine is what helps people (and animals) move around freely.

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8y ago
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12y ago

No its not because your back bone is made up of many bones its divided into 3 parts cervical vertebrae that contains 7 vertebrae , thoracic vertebrae contains 12 vertebrae,and lumbar vertebrae which contains 5 vertebrae. The longest bone would be the femur

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14y ago

no, your backbone is made up of lots of small bones hooked together. if we had just one long bone, we wouldn't be able to bend our very easily.

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13y ago

NO ... your back done or better konwn as your spine are many pieces of bone your femur is your longest done ...

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12y ago

you would not be able to move even close to as much as you can. try and move your leg half way between your foot and the knee. thats what it would be like.

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13y ago

Yes. They are called vertebrae.

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Q: Is your backbone the longest bone in the human body?
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