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It usually consists of 33 vertebrae and is divided into 5 different types: cervical (7), thoracic (12) lumbar (5), sacral (5 - fused) and coccygeal (4 - fused) vertebrae.

Your back bone consists of 7 cervical vertebrae (making the neck), then 12 thoracic vertebrae, and 5 lumbar vertebrae.

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12y ago

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