To give you energy.
food
The food in the body's fuel source.The nutrients in the food give the body's cell the energy and other substances they need to operate.
Your body doesn't necessarily need carbohydrates, as long as it can get its energy from proteins and fats. But consuming carbohydrates are the fastest way to give your body the energy it need to carry out its daily functions.
Sunlight, air, water.
That you need to eat to restore energy levels and give your body the required nutrients. As simple as that.
No, body fat doesn't give them energy
to give you energy to keep your cells alive you could get dehydrates
Well, our body is made 70% of water so we need it to stay alive.
Energy.
give you energy
give you energy