Great for elementary and middle school as an intro to new material. Blood travels through blood vessels like cars travel down streets. In this article, student read how arteries are for getting the blood away from your heart and veins are for taking it back toward the heart. Capillaries are for getting things your cells need to them and getting things they don't need away out of your body.
Vocab words: blood vessels, arteries, veins, capillaries
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