Question

The ___________ portion of the spinal column is joined to the iliac bones of the pelvis.

Answer 1

The sacrum portion of the spinal column.

Step-by-step explanation:

the sacrum is located at the base of the lumbar vertebrae, which is part of the spinal column, and connects it with the iliac bones. The sacrum helps in the strengthening and stability of the pelvis.

Answer 2

Answer: The sacrum portion of the spinal column is joined to the iliac bones of the pelvis.

Explanation: the sacrum which is located at the base of the lumbar vertebrae, part of the spinal column, connects it with the iliac bones. The sacrum forms the posterior pelvic wall and strengthens and stabilizes the pelvis.