In general, foods are made up of carbohydrates, proteins, and fats, each of which provide a different number of calories: 1  Carbohydrates provide 4 calories per gram. 2  Proteins provide 4 calories per gram. 3  Fats provide 9 calories per gram.
IMPORTANCE OF WATER. Water is our lifeline that bathes us and feeds us. In ancient cultures water represented the very essence of life. The Romans were the first to pipe water into their growing cities, especially with their aqueducts.
The Importance of Water for Health. Water is important for our body and health. It is important because almost all of part of human body such as brain, blood, cells, muscle, etc contain water. Between 60 to 70% of our body is made from water. We need water to keep our body work properly.