Easy-to-use, multi-sensory model uses a simple hand pump to demonstrate basic heart and pulmonary blood flow.
- Creates a memorable exploration of how the heart and lungs work together for oxygen exchange
- Features clearly labeled heart chambers, main artery, veins and lungs
- Stays mess-free -- liquid is sealed in
- Measures 13.9 x 12.4 x 3.3 inches
- Includes Activity Guide