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What must skeletal muscles do to move? A. engage their fibers slowly B. twitch involuntarily C. separate from the bone D. contract and relax
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What must skeletal muscles do to move? A. engage their fibers slowly B. twitch involuntarily C. separate from the bone D. contract and relax

User Ilya Kozhevnikov
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2 Answers

2 votes

Answer:

the answer is D.contract and relax

Step-by-step explanation:

User Eugene Ryzhikov
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5 votes

Answer:

They must contract and relax

Step-by-step explanation:

User Wtaniguchi
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