Body Cavities

• Cranial Cavity
• Vertebral Cavity

Formed by cranial bones and contains brain.

• Thoracic Cavity
• Abdominopelvic Cavity

Chest cavity; superior portion of ventral body cavity; contains pleural and pericardial cavaties and mediastinum.

Formed by vertebral column and contains spinal cord and the beginnings of spinal nerves.

Each surrounds a lung; the serous membrane of the pleural vacities is the pleura.

Surrounds the heart; the serous membrane of the pericardial cavity is the pericardium.

Central portion of thoracic cavity between the lungs; extends from sternum to vertebral column and from neck to diaphragm; contains heart, thymus, esophagus, trachea, and several large blood vessels.

Inferior portion of ventral body cavity; subdivided inot abdominal and pelvic cavities.

Contains stomach, spleen, liver, gallbladder, small intestine, and most of large intestine; the serous membrane of the abdominal cavity is the peritoneum.

Contains urinary bladder, portions of large intestine, and internal organs of reproduction.