Which element is used in skeletal muscle contraction?
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actin and myosin are used in skeleton muscle contraction
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In order for relaxation to occur, ATP must be used to pump calcium back into the sarcoplasmic reticulum. Muscles can only contract: pull. ... When muscle contraction occurs. The actin and myosin filaments temporary form cross-bridge attachments and slide over each other, shortening the overall length of the sarcomeres.
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