When you turn your head, ____.
A. all cervical vertebrae pivot on one another
B. the 7th cervical vertebra pivots on the 1st thoracic vertebra
C. the atlas pivots around the axis
D. all cervical vertebrae move as one unit
E. the cervical vertebrae are compressed against each other
C. the atlas pivots around the axis
When you turn your head from side to side, the atlas (first cervical vertebra) pivots around the axis (second cervical vertebra).
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