The spinal cord contains 31 , 8, 12________ 5 lumbar,5 sacral and 1 coccygeal.

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A Coccygeal,lumbar
B Segments,cervical,thoracic
C brain,heart,lungs
D only bones

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Answer: B. Segments,cervical,thoracic

The spinal cord has 31 segments: 8 cervical (neck), 12 thoracic (chest), 5 lumbar, 5 sacral and 1 coccygeal. Adding them, 8 + 12 + 5 + 5 + 1 = 31.

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The spinal cord contains 31 ____________, 8__________________, 12__________________ 5 lumbar,5 sacral and 1 coccygeal.

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The spinal cord contains 31 , 8, 12________ 5 lumbar,5 sacral and 1 coccygeal.