The spinal cord extends from the
A) medulla oblongata to the coccyx.
B) level of the third cervical vertebra to the coccyx.
C) level of the axis to the lowest lumbar vertebra.
D) medulla oblongata to the level of the second lumbar vertebra.
E) axis to the sacral hiatus.
Answer: D) medulla oblongata to the level of the second lumbar vertebra.
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