Multiple choice Why isn't watching an exciting movie considered exercise? Because it can't help you relax Because it can't get your heart rate up to a healthy zone Because it doesn't involve moving your body around Because oxygen intake is too high when your heart beats faster Reveal answer Fill a bubble to check yourself C Correct answer Explanation Exercise is defined by physical exertion that challenges the body. Watching a movie is a sedentary activity that does not involve the movement required to increase heart rate or improve physical fitness.