Life size human torso is an excellent tool for anatomy studies. It features a dissected head to show nasal cavity, internal structures of the mouth and eye. Left half of brain can be taken out and is in four parts to show excellent detail. Lungs with attached ribs and 2 part heart come out to show internal detail. Liver with gall bladder, 2 part stomach, and large and small intestine, with appendix flap opening highlight complete digestive system. The male organs are in 4 parts, while 2 part female organs include an embryo in the 3rd month of pregnancy. On the back, a cut away features bones, nerve and blood vessels of the spine. A cervical vertebra is removable along with a thoracic vertebrae that shows a herniated disk. Includes key with 210 call outs.