Brianna monitors her heart rate during workouts to ensure it is within the proper range. if she is below her target heart range, she increases her speed. what training principle is brianna applying

What typically happens when a family member has a problem with alcohol or drugs? adults in the family are affected more than children children in the family are affected more than adults. the entire family is affected. no one in the family is affected.

Some bacteria injure cells by giving off poisons called pathogens antibodies phagocytes toxins

Why do we need food to love i feel like it is useful