- Thoracic cavity: breasts, thymus gland, heart, lungs, pleura, ribs, diaphragm
- Cranial cavity: brain
- Abdominal cavity: stomach, small and large intestine, kidneys, liver, gallbladder, spleen, pancreas, and adrenal glands
- Pelvic Cavity: reproductive organs, bladder, ureters, urethra, rectum, anal canal
- Mediastinum: heart, thymus gland, trachea