Exercise. Remember your tennishoes. Know which days you have PE. September: 5 Components of Fitness: 1. Body Composition: Skin, fat, muscles, bones and organs. Take good care of your body. Eat right, exercise and get plenty of sleep. 2. Cardio-Respiratory Endurance- Heart/Lung/exercise for a long time- more than 20 minutes. Example: playing soccer for longer than 20 minutes. 3. Flexibility - stretches - The ability to move your joints through a full range of motion. 5. Muscular Endurance-To use your muscles with force over a long period of time. Example: riding your bike for longer than 20 min. 6. Muscular Strength- The amount of force a muscle can exert. Carrying several pieces of wood into the house.