Sameer 2/5th of task in 16 days and veer complete 3/5th of his task in 36 days
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When you run, the messages to the brain are more involved, because many muscles have to work in rhythm. Muscles move body parts by contracting and then relaxing. Your muscles can pull bones, but they can't push them back to their original position. So they work in pairs of flexors and extensors.
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