1. Cranial Cavity
1.1. Lined by Meninges for Protection
1.1.1. Enclosed by Cranium
1.1.1.1. Encases Brain
2. Vertebral Canal
2.1. Lined by Meninges for Protection
2.1.1. Enclosed by Vertebral Column
2.1.1.1. Encases Spinal Cord
3. Thoracic Cavity
3.1. Mediastinum
3.1.1. Heart & Major Vessels
3.1.1.1. Pericardium
3.1.1.1.1. Visceral Pericardium
3.1.1.1.2. Parietal Pericardium
3.1.2. Lungs
3.1.2.1. Pleura
3.1.2.1.1. Visceral Pleura
3.1.2.1.2. Parietal Pleura
3.1.3. Esophagus
3.1.4. Trachea
3.1.5. Bronchii
3.1.6. Thymus
4. Abdominopelvic Cavity
4.1. Abdominal Cavity
4.1.1. Digestive Organs
4.1.2. Spleen
4.1.3. Kidneys
4.1.4. Ureters
4.1.5. Adrenal Gland
4.1.6. Adrenal Gland
4.1.7. Adrenal Gland
4.2. Pelvic Cavity
4.2.1. Rectum
4.2.2. Urinary Bladder
4.2.3. Urethra
4.2.4. Reproductive Organs
4.3. Peritoneum
4.3.1. Parietal Peritoneum
4.3.1.1. Lines the Cavity Wall
4.3.2. Visceral Peritoneum
4.3.2.1. Holds Abdominal Viscera in Their Place
4.3.3. Peritoneal Cavity
4.3.3.1. Space Between Parietal and Visceral Layers
4.3.3.2. Lubricated by Peritoneal Fluid