You have been having trouble breathing so you go to the doctor to check it out. What important question might he ask you to determine if you have been taking good care of your respiratory system? (1 point)

A."do you bathe regularly?"

B."do you exercise regularly?"

C."did the dizziness start after you hit your head or somthing?"

D."what did you eat yesterday to make you feel this way?"

B. "do you exercise regularly?"