Question: what are the five different types of vertebrae?
Answer: Cervical spine: 7 vertebrae (C1–C7) Thoracic spine: 12 vertebrae (T1–T12) Lumbar spine: 5 vertebrae (L1–L5) Sacrum: 5 (fused) vertebrae (S1–S5) Coccyx: 4 (3–5) (fused) vertebrae (Tailbone)