how do muscles work ? Short answer
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Answer:
Muscles contain contractile proteins.
This proteins help to contract and relax to cause movement.
Muscles present in our limbs.
This muscles are called as voluntary muscles.
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Answer:
The muscles work in pairs. When one of them contracts, the bone is pulled in that direction, the other muscle of the pair relaxes. To move the bone in the opposite direction, the relaxed muscle contracts to pull the bone towards its original position, while the first relaxes.A muscle can only pull. It cannot push.
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