Testing paper 1- GCSE PE Revision Live

The video tutorial covers key topics for an upcoming AQA exam, focusing on the musculoskeletal system, types of muscular contractions, blood vessels, and the mechanics of breathing. It explains how muscles work in antagonistic pairs, the differences between isotonic and isometric contractions, and the structure and function of arteries, veins, and capillaries. The tutorial also details the process of breathing, including the roles of the diaphragm and intercostal muscles.

What are antagonistic pairs in muscle movement?

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Explain the role of the agonist and antagonist muscles during flexion at the elbow.

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What is the difference between isotonic and isometric contractions?

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Describe the structure and function of arteries.

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How do veins prevent backflow of blood?

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What is the significance of capillaries in the cardiovascular system?

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What happens to blood vessels during vasodilation and vasoconstriction?

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Explain the mechanics of breathing during inspiration.

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How does the diaphragm contribute to the process of breathing?

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What is the role of the intercostal muscles during expiration?

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