how do muscles work small ans 1or2 lines
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3
Explanation:
- 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. Muscles can only pull and cannot push.
Answered by
4
Explanation:
muscles are attached to bones by tendons and help them to move . when a muscle contracts (bunches up) ,it is attached to.when a muscle relaxes,it goes back to its normal size.muscles
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