"The human circulatory system is essential for pumping blood throughout a person's body. Without it, humans wouldn't be able to live. This guide to a basic biology concept explores the main elements of the circulatory system, introduces key parts such as blood vessels and the heart, examines problems with this system, and offers a comprehensive review of one of the most complex parts of the human body. Complete with fact boxes and intriguing sidebars,...

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

Presents information about the circulatory system, looking at the heart, blood, and blood vessels that compose it, as well as how they work together to keep the body healthy.

Describes the circulatory system of the human body, including how blood flows from the heart to the rest fo the body, why the system is vital to body function, and how to keep it healthy with diet and exercise.

Provides a simple introduction to how the heart and circulatory system work.

Introduces the circulatory system, its purpose, parts, and functions.

Describes how the circulatory system works and what it does for the body.

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.

"Discusses the parts that make up the human circulatory system, what can go wrong, how to treat those illnesses and diseases, and how to stay healthy"--Provided by publisher.

As Ms. Frizzle leads the way, the class takes a journey through Arnold's digestive system, a pulsating excursion through Ralphie's bloodstream, and an exciting exploration through the Ralphie Robot to learn about bones, joints and muscles.