This 17 part human torso model is an excellent way to demonstrate and show the inner layout and workings of the human body. This particular model has its back and shoulder open & 1 cervical vertebra thoracic vertebra lumbar vertebra are provided. It's 17 removeable parts will allow students to explore inside the body.The following parts are removable:1 part cerebrum with cerebellum and brain stem2 part lungs2 part heart1 part liver1 part pancreas and duodenum2 part stomach1 part large and small intestine1 part cecum cover1 part right half kidney1 part half bladder1 part cervical vertebra1 thoracic vertebra 1 part lumbar vertebra 1 part eye ballMade from high quality PVCMounted on a baseDimensions: 380mm x 240mm x 890mm