carbohydrates
carbohydrates
The nutrient that provides four calories per gram and gives the body energy is carbohydrates. Carbohydrates are a primary source of energy for the body, especially for the brain and muscles during physical activity. They are found in foods like grains, fruits, and vegetables, and are essential for maintaining energy levels throughout the day.
Calories are not a nutrient,they measure the amount of energy the food has. That said, they are in a way essential because no calories means no energy that food gives your body. Your body needs food for life sustainance
carbohydrates.
The pink flesh that you eat has calories. Some people make picked watermelon rind and that has calories too. Calories are what gives us energy.
electrical energy gives and provides energy to give energy and to show energy, light energy goes through a system of energy and gives off energy to provides it. heat energy is like sunlight it gives, take , provides, and uses energy.
protein tissues
There are four basic food categories that give the body calories (energy); fat, carbohydrate, protein, and alcohol. Fat gives 9 calories per gram. Carbohydrates and proteins give 4 calories per gram. Alcohol gives 7 calories per gram.
Sugars, fats and proteins can all be used to 'power' the body.
A calorie is a measure of energy. When a piece of food or wood or anything else is burned it gives off energy. The energy it gives off is measured in calories. 1 Calorie raises 1 kg of water 1 degree C.
The food you eat (and drink) contains calories, which are a measure of the energy content, which you absorb in your digestive system
Both provide 4 calories per gram, therefore, on a per-calorie basis, they are the same. Fat provides 9 calories per gram. However, protein is healthier because it takes longer to break down into amino acid groups. Carbohydrates are usually simple sugars, and break down quickly for "fast energy".