What is the point of working out?

Exercise stimulates your body to release proteins and other chemicals that improve the structure and function of your brain. Strengthen your bones and muscles. Regular exercise can help kids and teens build strong bones. Later in life, it can also slow the loss of bone density that comes with age. If during your workout you begin to experience unusual tiredness, shakiness racing heart rate, that progress to the point where you begin to feel like you are going to pass out or are confused, and you have changes with your vision, it's time to stop your workout immediately,” says Watson. Regular physical activity can improve your muscle strength and boost your endurance. Exercise sends oxygen and nutrients to your tissues and helps your cardiovascular system work more efficiently. And when your heart and lung health improve, you have more energy to tackle daily chores.