It is true because if you tie in volleyball you have to win by two points.
The recovery period between bouts of exercise is important because resting between workouts helps to prevent injuries. During resting, muscles can replenish glycogen stores.
Rest is a fundamental issue to avoid injuries in the muscles and thus obtain better gains in a training exercise program.
During resting, all muscles (especially skeletal muscles) can replenish the glycogen stores.
In consequence, rest helps to reduce fatigue and prepares skeletal muscles for a new training session.
Learn more about muscle resting here:
brainly.com/question/12981396
Diet and exercise is the answer.
Epinephrine is the answer you're looking for. A more common and more used terms would be adrenaline.