2 things to remember when excising is, WATER, drink lots of water. ( stay Hydrated) and you also want to make sure you take deep breaths, because if you do quick breaths, you could pass out.
A target heart rate is the level at which your heart is beating with high intensity. Sustaining a workout at this pace improves cardiorespiratory endurance. So knowing your target heart helps you pace your workouts. Two things to remember when exercising would be 1. Creating a balanced routine. 2. Staying Hydrated.
