Respuesta :

Answer:

Vertebrae

Explanation:

Your back can't be a solid bone because you wouldn't be able to pick things up off the ground, or twist around to see things.

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Answer:

Vertebrae

Explanation:

Vertebrae are the 33 individual bones that interlock with each other to form the spinal column. The vertebrae are numbered and divided into regions: cervical, thoracic, lumbar, sacrum, and coccyx.

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