Which regions of the spine are fused together without fibrocartilage between the discs?
A. sacral and lumbar
B. thoracic and coccyx
C. coccyx and sacral
D. cervical and thoracic

Answer.

C. coccyx and sacral

Explanation:

The bottom of the spine is called the sacrum. It is made up of several vertebral bodies usually fused together as one. The remaining small bones or ossicles below the sacrum are also fused together and called the coccyx and sacral