FITNESS PERFORMANCE IS HOW HIGH YOUR ENDURANCE IS AND HOW LONG YOU CAN STAY ACTIVE HOW LOW YOUR HEART RATE STAYS WHILE YOU MOVE ECT....
I see a wall i touch the wall i jump over the wall
BTW I GOT THE POINTS
When you run or do other exercises your working your cardiorespiratory system. when you work on something it gets stronger and more able to do excercises fpr a longer period of time