What are the cavities of the body?

in the abdominopelvic

Thoracic Cavity and Abdominopelvic Cavity

Coelom

The pericardial cavity (surrounding the heart), the thoracic cavity (surrounding the lungs and the pericardium, including the heart), and the peritoneal cavity (surrounding the visceral and internal...

No. The spinal cavity is part of the Dorsal cavity, which also includes the cranial cavity. The spinal cavity is the space in vertebrae(spinal bones) through which the spinal cord passes.