In humans, the vertebrae are arranged from top to bottom as follows: Cervical spine: 7 vertebrae (C1-C7) Thoracic spine: 12 vertebrae (T1–T12) Lumbar spine: 5 vertebrae (L1–L5) The C1 (atlas) and C2 (axial) are located at the top of the spine, just below the skull. The ligaments and blood vessels that pass from the spine to the brain are clustered together …
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