Vision Scientific VAC405-AN Life Size Human Heart Model - 2 Parts | Magnetically Connected | Shows Heart Chambers, Valves & Major Vessels | Labelled Diagram Included Life size human heart model made of high quality PVC plastic, fit for medical and educational use Medical quality PVC model; magnetically connected. Model can be removed from base to provide closer examination of all sides Separates into 2 parts for closer examination of the brain's interior chambers Removable section provides access to chambers, valves and major vessels Labelled diagram included