John, a spy, and his co-workers Eddie and Cassie embark on a mission to steal someone's heart for science. They navigate through the circulatory system, encountering various chambers and arteries. Cassie ultimately stops John from stealing the heart, real
A hero named Body with magical powers called systems, the respiratory and cardiovascular, fights villains Asthma and Atherosclerosis to protect her body. She stays healthy by eating well and going to the doctor.