Submit search
Pumping Heart ModelEasy-to-use, multi-sensory model uses a simple hand pump to demonstrate basic heart and pulmonary blood flow. Create a memorable exploration of how the heart and lungs work together for oxygen exchange. Includes clearly labeled heart chambers, main artery, veins and lungs, plus Activity Guide. Heart measures approximately 12" L x 11" W x 5" D. Grades 3+LER 3535