Heart Structure & Double Circulation
Describe the structure of the heart (four chambers, valves, coronary arteries) and explain how it pumps deoxygenated blood to the lungs and oxygenated blood to the body in a double circulatory system
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“If your child felt their heartbeat, could they describe what the heart is doing — explaining the two sides of the heart, where the blood goes from each side, and why we need a double loop?”
Full guide and materials
- Activity. Describe the structure of the heart (four chambers, valves, coronary arteries) and explain how it pumps deoxygenated blood to the lungs and oxygenated blood to the body in a double circulatory system
What to notice. Labels a diagram of the heart showing atria, ventricles, valves, aorta, vena cava, and pulmonary vessels • Traces the route of blood through the double circulatory system • Explains the role of valves in preventing backflow • Compares arteries, veins, and capillaries
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If your child felt their heartbeat, could they describe what the heart is doing — explaining the two sides of the heart, where the blood goes from each side, and why we need a double loop?
Describe the structure of the heart (four chambers, valves, coronary arteries) and explain how it pumps deoxygenated blood to the lungs and oxygenated blood to the body in a double circulatory system
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Check understanding
- Labels a diagram of the heart showing atria, ventricles, valves, aorta, vena cava, and pulmonary vessels
- Traces the route of blood through the double circulatory system
- Explains the role of valves in preventing backflow
- Compares arteries, veins, and capillaries
“If your child felt their heartbeat, could they describe what the heart is doing — explaining the two sides of the heart, where the blood goes from each side, and why we need a double loop?”
Curriculum record
- Type
- Conceptual
- Subject
- Science
- Domain
- Organisms & Life Processes
- Age range
- Ages 12–13
Standards