Parts of the human body
Abdominal (stomach, large and small intestines, spleen, liver, gall bladder, pancreas);
Thoracic (lungs, heart , esophagus, trachea, thymus gland, aorta);
Pelvic (bladder, urethra, ureters, uterus and vagina in the female);
Spinal (nerves of the spinal cord).
Human body systems