When you flex or use a muscle, the _____. muscle fibers relax blood flow decreases muscle fibers slide apart myofibrils slide together?

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asked Jan 18, 2018 153k views

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Ptone · Answer 1 · 2018-01-25T04:19:10+0000

myofibrils slide together.

the other options don't make sense, and the myofibrils sliding together is the mechanism the muscle uses to generate force.

When you flex or use a muscle, the _____. muscle fibers relax blood flow decreases muscle fibers slide apart myofibrils slide together?

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