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Young at heart

The relaxing efficiency of a healthy heart

Problems with the heart and circulation are the biggest causes of human illness and death worldwide. Cardiac researcher Sam Burden looks at how changes in lifestyle impact heart function

Sam Burden

© Rasi/stock.adobe.com

AQA Mass transport in animals; Skeletal muscles

OCR A Transport in animals; Plant and animal responses

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Previous

Autumn leaves

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How logjams slow the flow

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