Keiko Koyama

Keiko Koyama is an illustrator and co-creator of The Manga Guide to Physiology, a nonfiction work produced with Etsuro Tanaka and Becom Co., Ltd. The book uses manga to explain human physiology, including the circulatory, respiratory, digestive, nervous, endocrine, and reproductive systems.

Available bibliographic records identify The Manga Guide to Physiology as Koyama’s documented published work; reliable sources provide no further biographical details or professional credentials.