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The spongy structure of a bone helps reduce the overall weight because it obtains air in the holes. Hope this helps :)

The structure of spongy bones helps reduce the overall weight of bone because they are lighter (less dense) than compact bones.

  • Spongy bones or cancellous bones are a special type of bone that is lighter than compact bones.

  • These bones (cancellous bones) are composed of plates and bars adjacent to cavities containing red bone marrow.

  • Spongy bones can be found in the pelvis, skull, vertebrae (spinal column), etc.

In conclusion, the structure of spongy bones helps reduce the overall weight of bone because they are lighter (less dense) than compact bones.

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