The number of cervical vertebrae in the human vertebral column is
Correct answer: D. 7
- A. 5
- B. 12
- C. 4
- D. 7
Explanation
There are seven cervical vertebrae, and the number is seven in almost all mammals, including the giraffe, whose neck is long because each vertebra is long. The full adult column has 33 vertebrae in total: 7 cervical, 12 thoracic, 5 lumbar, 5 fused as the sacrum and 4 fused as the coccyx. Twelve is the thoracic count, which is the usual mix up.
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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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