Minute how does the body increase the amount of oxygen to the muscles during exercise?
a. by exercising longer
b. by breathing faster
c. by relaxing
d. by breathing through your nose

The answer would not be a or b so lets cross those out relaxing puts less strain and gives the body the extra push that it needs breathing through your nose isn't really going to do much so I would say the answer will be C)

True, using a pedometer can promote a physically active lifestyle.