Select all that apply.

why is it important to know how many calories you need each day?

it you maintain your weight.
it prevents an eating disorder.
it shows you if you have too much stomach fat.
it shows you how much you should eat.
it is different depending on how much you exercise.

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.