Question

identify this specific vertebral bone. answers: a - d a sacrum b axis c atlas d coccyx

Explanation:

The sacrum is a large, triangular bone at the base of the spine. It has a distinct shape with multiple foramina (holes) for nerves and blood vessels. The axis is the second cervical vertebra involved in rotation of the head. The atlas is the first cervical vertebra that supports the head. The coccyx is the small, triangular bone at the very bottom of the spine (the tailbone). Based on the structure shown (shape and foramina pattern), it matches the sacrum.

Answer:

A. Sacrum