Summary
Bill traces the loop your blood travels, showing the heart, vessels, and blood working as a delivery system for your whole body.
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Teaching resources
Discussion questions
Discussion
Bill traces the loop your blood travels, showing the heart, vessels, and blood working as a delivery system for your whole body..
- What is blood delivering as it travels around your body?
- Why does your heart never take a break?
- How do veins and arteries work together?
Quick work-a-long
Vocabulary: heart, vessel, circulation.
Try it: Find your pulse, count beats for 15 seconds, then explain what your heart is doing.