Question

The _________ is both the mechanical weight-bearing base of the spinal column and the fused central posterior section of the pelvic girdle.

Answer 1

Sacrum is the correct answer

Answer 2

The answer to this question is the sacrum. The sacrum is a triangular bone that forms the base of the spinal column. This bone has a vital role in the skeletal system and also supports the weight of the upper body of a person and this bone and many nerves are inside the sacrum.