Pumping Heart Model

Easy-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. No messâliquid is sealed in! Heart measures approximately 12"L x 11"W x 5"D.