Running a marathon.
Yes, the body can burn protein for energy during physical activity, but it typically relies more on carbohydrates and fats for energy. Protein is usually used for building and repairing tissues, not as a primary source of energy.
The greates source of energy is the Sun
Carbohydrates
carbohydrates
a protein
solar energy
While protein is primarily known for its role in building and repairing tissues, it can also be used as a source of energy when carbohydrates and fats are not available. However, the body typically prefers to use carbohydrates and fats for energy before turning to protein.
protein....muscles.
Protein energizes muscles, primarily.
Does protein help everything move through your body smoothly
Cooking uses heat energy as the main source. It is the main activity that uses heat as a source of energy.
Greatest ???No - for us the greatest source is the sun, which is mostly visible light.X-rays do have more energy than visible light, but not as much as gamma rays.