Manga de Wakaru Bunshi Seibutsugaku

Rin and Ami have been skipping molecular biology class all semester, and Professor Moro has had enough—he's sentencing them to summer school on his private island. But they're in store for a special lesson. Using Dr. Moro's virtual reality machine to travel inside the human body, they'll get a close-up look at the fascinating world of molecular biology.

(Source: No Starch Press)