Human Circulatory System   For Teachers The Circulatory System Mini-Unit Home is Where the Heart Is (learning modules, lessons) Teaching the circulatory system - lesson ideas, classroom activities The Circulatory System lesson plan What is blood and how does it travel in the body? (lesson plan)  Cast Your Net - Adventures with Blood unit Circulatory System - Free Presentations in PowerPoint format for K-12 Science  See Also: Body Systems, The Heart For Kids Games & Kids Sites  Resources Free Clip Art Free Presentations in PowerPoint format for K-12 Science  Video Clips for Science    All Rights Reserved    Clip Art Credit: Phillip Martin Have a great year!