Question

superior articular facetsmastoid processespart f (6 of 6)which vertebra lacks both a body and spinous process?atlasaxis

Explanation:

The atlas (C1) is the first cervical vertebra, uniquely structured without a body (fused with the axis's dens during development) and no prominent spinous process (it has a posterior tubercle instead). The axis (C2) has both a body and a distinct spinous process.

Answer:

Atlas