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Body Cavities
Dorsal body cavity- protects the fragile nervous system
Subdivisions: cranial cavity- in the skull and encases the brain, vertebral/spinal cavity- runs within the bony vertebral column and encloses the delicate spinal cord
Ventral body cavity- more anterior and larger, houses internal organs called the viscera
Subdivisions: thoracic cavity- surrounded by the ribs and muscles of the chest. It is further divided into pleural cavities- each house a lung and the pericardial cavity- encloses the heart and thoracic organs. The diaphragm separates this from the abdominopelvic cavity. Abdominal cavity- stomach, intestines, spleen, liver. Pelvic cavity- bladder, reproductive organs, rectum.