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21-10-2021
Biology

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Explain how muscles work in pairs for the arm curl?

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21-10-2021

Answer:The biceps and triceps act against one another to bend and straighten the elbow joint. To bend the elbow, the biceps contracts and the triceps relaxes. To straighten the elbow, the triceps contract and the biceps relax.

Explanation: antagonist and agonist muscles

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