B. I think ????!!! I’m not really good with health
Water, Milk, all natural juice.
The answer is : increased resistance need to be added to the muscles.
Muscle conditioning refer to muscle strength and endurance. In order to improve it, you need to put your muscle in a harsher condition in a harsher condition than it used to be, so your muscle could adjust to it. That's why you should keep increasing the resistance
Stereotype. I believe this is the correct fill in the blank to this!