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heart
The heart is the muscular pump.
Class 4 · English Medium · Pearson Edexcel · General science
Body systems and health
Explore 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
A body system contains parts working together. The skeleton supports the body, muscles help movement and the heart pumps blood.
Worked example
The heart and blood vessels move blood around the body. The lungs exchange gases with the air.
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- Try each task yourself, then compare the answer and its reason.
Your written practice
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lungs
The lungs take in oxygen and release carbon dioxide.
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skeleton
Bones form the supporting skeleton.
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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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skeletal system
Bones form the skeleton.
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arteries
Arteries carry blood away from the heart.
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The lungs exchange gases with air, and the heart pumps blood that transports gases around the body.
Keep gas exchange distinct from pumping.
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