Parts: 11 parts. Trunk, brain (2 parts), heart, esophagus, trachea and aorta, lungs (4 parts), calvaria, stomach, diaphragm, liver, pancreas and spleen, intestines. Display the main anatomical system of the human body, display the position of the internal organs and the shape and structure of the head anatomy, as a visual teaching aid for the teaching of physiological health knowledge, deepen the understanding of the structure of human organs. Good learning tool: Comes with educational manual introducing each body part, suitable for school, hospital, physical fitness teaching. PREMIUM QUALITY: The human anatomy model is made of high quality PVC with colorful hand-painting and fine craftsmanship. All body parts fit firmly to each other and are easy to disassemble and assemble. Anatomy dolls are great learning tools for medical students to learn about the anatomical system. The pieces are small, keep away from children who are still putting things in their mouths