Because it hydrates them quicker I believe
Give more information what website???
A Rep (repetition) is one complete motion of an exercise.
For example, if the teacher asks you to do 10 by 4 push-ups, then a "rep" would be your first 10 push-ups finished.
I would say c but I would have to read your text book to be able to answer it accurately
The answer medical supply hope this helps stay safe :)