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digestive system
Digestion breaks food into substances the body can absorb.
Class 5 · English Medium · Pearson Edexcel · General science
Human body systems and health
Explore human body systems and health with an example and your own answers.
Original Kidemy foundation practice · Read the example, write your answers, then check. This starter is shared across class versions; it is not a complete board-specific lesson or course.
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Learn the idea
Body systems interact. Digestion breaks food into smaller substances; blood transports materials; lungs exchange gases.
Worked example
Oxygen enters the blood at the lungs. The heart pumps blood to other parts of the body.
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Your written practice
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heart
The heart provides the pumping action.
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oxygen
Oxygen passes from the lungs into blood.
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Apply the idea in a new situation and explain your method. Open writing needs a guardian or teacher to review it.
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circulatory system
The heart and blood vessels circulate blood.
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kidneys
The kidneys remove certain wastes and regulate water and dissolved substances.
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Digestion breaks food into substances that can be absorbed. Circulation transports absorbed nutrients to body tissues.
Do not confuse movement of food through the gut with blood circulation.
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