Economical, soft foam cross-sections are realistically detailed. Printed with vocabulary terms on one side and with letters on the other side for quizzing. Activity Guide features reproducible diagrams and anatomy facts. Features aorta, pulmonary artery, left & right atrium, inferior & superior vena cava, tricuspid valve, pulmonary valve, aortic valve, mitral valve and left ventricle. Measures 5"L. Grades 4+
Model measures 5" in diameter.