The number of thoracic vertebrae in the human vertebral column is
Correct answer: D. 12
- A. 5
- B. 7
- C. 4
- D. 12
Explanation
The column has 7 cervical, 12 thoracic, 5 lumbar, 5 fused sacral and 4 fused coccygeal vertebrae. The twelve thoracic vertebrae each carry a pair of ribs, which helps fix the number in memory.
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About Human Skeleton
The human skeleton provides support, protects organs, enables movement with muscles and stores minerals while bone marrow produces blood cells. Questions cover the axial and appendicular skeleton, types of bones and joints, cartilage, ligaments and tendons, and the difference between fixed, slightly movable and freely movable joints.
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