During rem sleep, brain activity greatly decreases when compared to other stages of sleep. select the best answer from the choices provided t f

False, this stage is when dreams occur. "most exciting stage of sleep."

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)

No, when getting the flu vaccine no drugs should be being takin at the time.