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The Circulatory System

The Circulatory System

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Subject Science
Grade Level Grades 6-12
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About This Lesson

Paul Andersen surveys the circulatory system in humans. He begins with a short discussion of open and closed circulatory systems and 2,3, and 4-chambered hearts. He describes the movement of blood through the human heart and the blood vessels. He discusses the major components of blood and the cause of a heart attack.

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The Circulatory System
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