Vertebral Column:The vertebral column is a series of vertebrae extending from the skull to the tailbone, providing support and protection for the spinal cord.
Pelvic Cavity: The pelvic cavity is the lower part of the ventral body cavity, housing organs such as the bladder, reproductive organs, and rectum.
Lumbar Vertebrae:Lumbar vertebrae are five vertebrae located between the thoracic vertebrae and sacral region that support much of the body's weight and are involved in movement