Potential Energy.It is energy waiting to e released.
calorieA calorie is kind of a synonym for energy in terms of exercise.
Anaerobic
ATP
solar energyLight energy is needed to initiate. This energy is stored as chemical energy
Sunlight .
sunlight
During intense exercise, the majority of blood is allocated to the muscles to provide them with oxygen and nutrients needed for energy production.
Carbohydrates, fats, and proteins are stored in the body as sources of energy. These energy stores can be broken down and used by the body when needed for activities such as exercise or maintaining basic bodily functions.
Exercise expends energy.
solar
sun and water
Oxygen is needed as an electron acceptor in cellular respiration. Basically, when you exercise, you use more energy, and to produce this energy (adenosine triphosphate), you need, among other things, Oxygen.