Through engaging text, readers learn about the human body's circulatory system, which consists of the heart, the blood vessels, and the blood that is pumped through them. Readers discover that the circulatory system transports oxygen and nutrients throughout the body, carries away waste products, sends out disease fighters, and regulates the body's temperature. Topics discussed include the lungs, the kidneys, and diseases that affect the circulatory...

Describes the various parts of the human circulatory system and explains how and why blood is circulated throughout the body.

"Presents an overview of the circulatory system, including key parts of the system and their jobs, how to keep the system healthy, and fun facts." -- Publisher's website.

Traces the route that blood takes through the heart to the lungs and tissues, and back. Describes how the heart and lungs fine-tune their actions to supply the power and oxygen needed in any situation.

Your hardworking heart started beating eight months before you were born and continues to beat about one hundred thousand times a day. "By the time you're seventy years old, it will have beaten about 2.5 billion times." Find out the story behind each beat on a journey through the body's circulatory system.

"A graphic nonfiction volume that introduces the circulatory system of the human body"--