Answer:
The human body needs a list of macromolecules and micromolecules for performing day to day functions.
The essential macronutrients that the body requires are:
Carbohydrates: Carbohydrates are required by the cells in the body to carry out normal day to day functions. Energy is provided in the form of calories by the carbohydrates.
Proteins: Proteins are essential nutrients which are required for growth as well as better functioning of the immune cells of the body.
Fats and oils: These are needed for providing insulation to the body and to store energy.
Fibres: These are a mixture of carbohydrates.
Water: Almost every activity of the body requires water.
The essential micronutrients that the body requires are:
Vitamins: Vitamins are a group of substances which are needed by the body to function normally.
Minerals: Mineral are needed to ensure that tissues are working correctly.