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

asked Jul 15, 2021 106k views

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Answer:

Relaxes

Step-by-step explanation:

The other side doesn’t do anything

Gren answered Jul 19, 2021

by Gren

7.9k points

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