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Dorsal Body Cavity:
- protects nervous system organs
- vertebral, or spinal cavity: encloses spinal cord
Ventral Body Cavity:
- two major subdivisions: thoracic cavity and abdominopelvic cavity
- houses internal organs called viscera
Thoracic Cavity- surrounded by ribs and chest muscles
- pleural cavities- houses a lung and the medial mediastinum
- Medial med. contains the pericardial cavity- encloses heart
Abdominopelvic Cavity:
- abdominal cavity- contains the stomach
- pelvic cavity- lies in bony pelvis and contains the bladder, reproductive organs and the rectum
Body Cavities