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What is the shortening of a muscle cell called?

1.Contraction
2.Expansion
3.Piling
4.None Of The Above

User Jennybryan
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2 Answers

6 votes
the answer is contraction

User Septronic
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A. Contraction because when you contact a muscle cell, it shortens. When you expand, it gets longer.
User Snappy
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