From the author and illustrator of THE QUEST TO DIGEST comes another playful way to learn about the body and its inner workings. Readers follow a red blood cell on its journey through the heart, lungs, veins, arteries, capillaries, and more, as they see how the body combats disease, performs gas exchanges, and fights plaque. This whimsical glimpse into the human body is fun and informative, perfect for the classroom or the home, and is sure to please the most curious of readers.