This 21 part, 55cm human torso features exchangeable male and female reproductive organs. The head is opened, exposing one half of the brain and the neck is dissected to show muscular, glandular, vascular, and neural structure. The cerebellum and lungs can be completely removed, showing the important structure of the head and inner wall of thoracic cavity. The thorax and abdomen are removable allowing easy observation of the internal organs while the back is opened and dissected showing the vertebral column, spinal cord, and nerve endings. Further examination of the spinal cord is also possible with the removal of the 1st Lumbar vertebrae.21 Removable Parts include the followingHeadEyeballCerebrum & CerebellumBreast plateLung (2 parts)Heart (2 parts)LiverGall bladderHalf of KidneyStomach (2 parts)Large & Small IntestineCecum CoverMale & Female Organs (2 Parts each)1st Lumbar VertebraeTorso Main BodyShipping information:21” x 13” x 8”9 lbs