Hii! I believe the answers are Sympathetic, Digestion, and Adrenaline. (:
Running because not only is it good for the muscles but it’s also good for the respiratory system and makes your heart stronger
The answer you are seeking is True.
This lets you know that your actual workout has just begun.
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In other times it's depending on what type of pain. You know when the pain is telling you to stop & you know when pain is building muscle.
I really hope that this is helping you greatly :) , have a nice day.
