Food changes into energy when the carbs aare absorbed by the body. for this to happen the body has to digest the food.
Your body does not make energy, it extracts it from the food you eat.
You get the energy you need by eating food. Your body makes energy with the nutritions in the food. It can make kinetic energy or potential energy.
Food and Oxygen
By breaking chemical bonds in the molecules
by breaking chemical bonds in the molecules
Human bodies don't make energy. They do release energy from food, this is called respiration.
They do this like all other mammals. The food is digested in the digestive system where the body turns it into energy for it to use.
Plant cells synthesize their food by photosynthesis. Animal cells can not do like plants, so it needs to be taken.Digestion of food molecules will help the cells to make energy(ATP).
Your body uses the chemical energy in food to produce ATP (adenosine triphosphate), which is a form of energy that can be readily used by cells for various cellular processes and activities.
Food contains chemical energy. Chemical bonds have a certain amount of energy locked up in them. Your body breaks these bonds with chemical reations, releasing the energy, which your body then uses to pump blood, make organs function, walk, run, etc.
nutrition
Hunger is the desire for food. We need food to make energy. Complicated proccesses in our digestive systems break down the food we eat and remove the macronutrients. The macronutrients are used to make energy for our muscles to use. If there is no food, there are no nutrients and no energy. When you are hungry, your body is "telling" you that you need to eat.