how do muscles work ?
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Answer:
Muscles are attached to bones by tendons and help them to move. When a muscle contracts (bunches up), it gets shorter and so pulls on the bone it is attached to. When a muscle relaxes, it goes back to its normal size.
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mm well
Explanation:
muscles are attached to the bones by tendons and help them to move. when a muscle contracts , it gets shorter and pulls on the bone it is attatched to . when a muscle relaxes , it goes back to its normal size....
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