Product description A realistic respiratory system model designed for teaching, demonstration, and study. Made from durable PVC with bright, detailed coloring to clearly show lung structure and surrounding anatomy. The model includes a detachable heart to help illustrate spatial relationships between organs and support handson learning. Key benefits Improves visual learning by showing anatomy in three dimensions, making it easier to understand lung shape, airways, and organ placement. simulation with rich appearance details for clear demonstrations in classrooms and labs. Detachable heart provides an interactive element that helps explain how nearby organs relate to the respiratory system. Simple to operate and handle, suitable for use by students, teachers, researchers, and parents involved in education. Features Material: PVC for durability and easy cleaning. Size: 5.91 x 4.72 x 10.63 inch approximately 15 x 12 x 27 cm. Item type: Respiratory System Model. Package contents: 1 x Respiratory System Model. Color and detail: Bright colors and finely molded features for enhanced visual clarity. Usage scenarios Classroom demonstration: Use the model during anatomy lessons to show lung anatomy, airway branches, and the position of the heart relative to the lungs. Laboratory or research teaching: Support small group instruction and handson activities for biology or medical education courses. Home study and exam preparation: Provide a tactile reference for students reviewing respiratory anatomy outside the classroom. Notes Allow 1 to 3 cm measurement tolerance due to manual measurement. Actual product color may vary slightly from images due to monitor differences. This respiratory system model offers a practical, professional tool for improving understanding of lung anatomy and organ relationships through direct observation and interaction.