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To raise an arm upward, the muscle on one side of its contracts. What happens to the muscle on the opposite side of the arm? A.contracts B.relaxes C.both contracts and relaxes D.neither contracts nor relaxes
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To raise an arm upward, the muscle on one side of its contracts. What happens to the muscle on the opposite side of the arm? A.contracts B.relaxes C.both contracts and relaxes D.neither contracts nor relaxes

User Ingsaurabh
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1 Answer

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Answer:

Relaxes

Step-by-step explanation:

The other side doesn’t do anything

User Gren
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