Top: Kids and Teens: School Time: Science: Living Things: Animals: Mammals: Humans: Circulatory System (8)
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The Circulatory System - View a diagram of the major arteries and veins in the human body.

How the Heart Works: The Heart House - From the Children's Heart Institute, a diagram comparing a heart to a house.

The Heart: An Online Exploration - From the Science Learning Network, visitors will learn about the heart, blood vessels, circulatory system development, cardiovascular health, and a history of heart medicine.

HeartPoint - A multimedia site, showing animations of what different behaviors and lifestyles will do to one's circulatory system. Offers health tips and food recommendations.

NOVA Online: Electric Heart - This is the story of a handful of brilliant, obsessed surgeons and researchers who pursued the target of a practical artificial heart for decades. Includes heart facts, an overview of a heart transplant, and artificial heart technology.

Way Cool Surgery - Includes video clips of each step of open heart surgery, a look at the surgical team, a healthy heart, the patient, and medical careers.

To Heal A Heart - A PBS program about preventing heart disease. Includes frequently asked questions, an overview of heart disease, risk factors, pet scans, lesson plans, and a bibliography.

Blood: The River of Life - Thinkquest site provides detailed information with graphics and concise explanation about the workings of the human blood and the circulatory system. Includes safety tips to follow at home as well as interactive forums.