Describes genes, examines how the body grows and develops, and discusses the role that genetics plays in determining individual physical characteristics.
Text and illustrations explore several different inventions such as the submarine, photocopier, and telescope, with quizzes to test the reader's knowledge.
Explains how the parts of the respiration and circulation systems work and illustrates the actions and functions of breathing, talking, the heart, and blood through interesting facts.
Explains how muscle and bones work together to help the human body move, in simple text with illustrations, providing information the skeletal system, muscles, nerves, and more.
Describes the parts of the body that defend against illness, such as skin, hair, white blood cells, and lymph fluid, discussing the workings of the immune system and related topics such as allergies and AIDS.