1. Contain the visceral organs
Body Cavities
Contain the visceral organs

2. Axial portion
Head
Neck
Trunk

3. Appendicular portion
Arms
Legs

4. Dorsal c. Axial cavity divided: Cranial: skull, brain
Spinal: spinal cord

5. Ventral c. Thoracic: above the diaphragm
Abdominopelvic: below diaphragm to floor of pelvis

6. Abdominopelvic
Abdominal: stomach, liver, gall bladder, spleen, small intestine, and most of the large intestine

7. Pelvic: end of large intestine, urinary bladder, internal reproductive organs.

8. Smaller cavities within the head
Oral: teeth, tongue
Nasal: paranasal sinuses, right and left divided by the septum

9. Middle ear: middle ear bones
Orbital: eyes, associated skeletal muscles and nerves

10. Pleural membranes: associated with the lung
Parietal pleura: line the lung compartments

11. Visceral pleura: membrane covering the lung
Pleural cavity: space between the pleura

12. Serous fluid: substance within the pleural cavity
Mediastinum: portion of thoracic cavity separating the heart, esophagus, trachea, and thymus from the lungs.

13. Pericardial membranes:
Visceral pericardium: membranes surrounding the heart
Parietal pericardium: second layer, more fibrous

14. Abdominal cavity: peritoneal membranes
Pericardial cavity: space between
Abdominal cavity: peritoneal membranes
Parietal peritoneum: lines the walls of the cavity

15. Visceral peritoneum: covers the internal organs
Peritoneal cavity: space between