Can you help me with English please?

Every muscle fiber and energy system is going to be put under extreme stress, to get the extreme transformation you've come here searching for.

1. What does the word "system" mean in this case?

2. The idiom "to put under stress" means "strained" or "not relaxed". Right?

Thank you!

1 Answer

  • Anonymous
    1 month ago

    Stress is your body's reaction to a challenge or demand. It can be positive in the short run, or negative in the long run.

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