Presents a short study of the skin, and discusses the epidermis and dermis of the skin, how the skin separates the organs and tissues of the body from the environment,and other interesting facts about the skin.
Overview of the respiratory and circulatory systems, with an explanation of how these systems bring oxygen to the body's cells and carry wastes away. Explores the major parts of each system and describes how scientists are working to find replacements for what fails or wears out.
Overview of the musculosketletal system, including how bones and muscles interact and how breakthroughs in technology are making bionic body parts a reality. Examines the structure and functions of the skeletal system. Describe the types of muscles in the human body and how they contract.
Introduces the human brain, its parts, how it works, and what it helps us accomplish. Includes an activity to determine which side of the brain is more used by the reader.
Presents an introduction to the human circulatory system, explaining what it is and how it works, and looking at the connections between the heart, lungs, and blood.
