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Biology 22 Online
OpenStudy (anonymous):

Sam has been working to improve his muscular fitness. He jumps rope and trains with weights. What will most likely be the result of Sam's efforts?

OpenStudy (destinymasha):

he'll get sore :}

OpenStudy (anonymous):

His muscle tissue will expand with the exercise. He will also be very sore because of lactic acid build-up and tiny tears in the muscle fibers.

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