Features: 1. Human body model, including 1 set human organs models, which are assembled and disassembled. Can be divided into multiple internal organs 2. PVC Model Including: torso, female chest cover, Head, eyeball, brain, a piece of spinal nerve, lung, heart, liver, kidney, stomach, intestine, etc. It is made of PVC and placed on a plastic seat.Different set has difference 3. Shows the position of the internal organs and the shape and structure of the head anatomy, and shows the main human anatomical systems 4. The right halfs of the head and neck shows the structure of the skull, masseter muscles, and venous muscles. There are eyeballs in the orbits. The head is implanted as a sagittal section. The cranial cavity contains the right hemisphere of the brain. There are twelve pairs of cranial nerves on the ventral side of the brain, showing the nasal cavity. Oral cavity, larynx show larynx cavity, laryngeal chamber, glottis, and parathyroid glands are shown behind the laterals lobe of thyroid. 5. The front section of the two lungs in the thoracic cavity shows the structure of the lungs. The heart is anatomically dissected to show the similarities and differences of the left and right atrioventricular structures. The cardiovascular vessels include the upper and lower vena cavas, pulmonary arteries and veins, and aorta, which are used to explain the large and small blood circulation applications. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Specification: Product Name: 4D Anatomical Assembly Model of Human Organs Material: PVC Size: Height:28/45/55cm optional Qty: 28cm: 1 set15pcs/set 45cm: 1 set23pcs/set 55cm: 1 set19pcs/set Package List: 1 set x 4D Anatomical Assembly Model of Human Organs