4In this book, early fluent readers will explore the role of the circulatory system in a healthy, functioning body. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn more about the amazing world inside themselves. An infographic illustrates the location of the circulatory system within the body, and an activity offers readers an opportunity to extend discovery. Children can learn more about the circulatory system using our safe search engine that provides relevant, age-appropriate websites. Circulatory System also features reading tips for teachers and parents, a table of contents, a glossary, and an index. Circulatory System is part of Jump!'s Amazing Body Systems series.