Help students visualize blood flow from the heart into the lungs with this simple, mess-free system 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 by adding coloured liquid to the unit. Includes clearly labelled heart chambers, main artery, veins and lungs, 10 packs of dye and Activity Guide.
Measures 30cm L x 27cm W.
