This model representing a young human is half-life size with 9 removable parts. The head is dissected in half to show the skull and brain as well as the internal structures of the mouth neck and sinuses. Bisected lungs 2 part heart liver stomach small and large intestine and half of right kidney can be removed for closer study. An excellent model for younger students but has good enough detail that it can be used as a study tool for high school and early college.