My Body Systems, Set of 8

Your body works hard all the time. Blood pumps from a healthy heart. Clean breath fills your lungs. Nerves send important messages to your brain. Strong bones support you. The stomach digests food. The muscular system helps you move, and many other systems help keep you well and growing. This series introduces the body systems and how they work together! Plus each title includes bonus augmented reality video to help readers learn more.