From No Starch Press:

Kumiko is all pumped up to run in the marathon at her university. But after she flunks a physiology test, she gets slammed with a makeup exam. Luckily, she runs into the friendly Professor Kasei who offers to tutor her.

Follow along with Kumiko in The Manga Guide to Physiology and learn all about how the human body works. As you explore the heart and blood, sensation and the nervous system, the digestive system and metabolism, and other essential topics in human biology, you'll gain a deeper understanding of the mechanisms that keep your body functioning and healthy.