Which nation/country discovered the importance of physical education.?

1.What is physical educaton? 2.Why is physical education important? 3.Which nation or country discovered the importance of physical education? 4. Please list all the benefits of exercise and state how each benefit assists in your everyday life.

1. Annoying nagging 2. Because it's good for yaaaaa maaan 3. The German city states 4. It will keep you from becoming a fat emo that nobody likes.