Excerpt from The Second Book of Anatomy, Physiology and Hygiene of the Human Body
This is the second book of a three-volume series of physiologies. The first book is only for children. The third book is adapted to the needs of the highest grades Это и многое другое вы найдете в книге The Second Book of Anatomy, Physiology and Hygiene of the Human Body (Classic Reprint) (Joseph Albertus Culler)