a. Thoracic cavity: Respiratory organs (lungs, tracheobronchial tree), cardiovascular organs (heart, blood vessels), breasts, thymus gland, and esophagus
b. Cranial cavity: Brain
c. Abdominal cavity: Stomach, kidneys, liver, gallbladder, spleen, pancreas, small and large intestines, and adrenal glands
d. Pelvic cavity: Urinary bladder, ureters, urethra, portions of the large intestine, reproductive organs, rectum, and anal canal
e. Mediastinum: Heart, blood vessels, thymus gland, and portions of the esophagus and trachea