30.2 Food and Nutrition

Calorie

measure of energy in food; equivalent to 1000 calories

Vitamin

Organic molecule that helps regulate body processes

What is meant by the term "balanced diet"?

A balanced diet provides nutrients in adequate amounts and enough energy for a person to maintain a healthful weight.

Carbohydrate

Compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body

Mineral

Inorganic nutrient the body needs, usually in small amounts

Fat

Lipid; made up of fatty acids and glycerol; type of nutrient that protects body organs, insulates the body, and stores energy

Protein

Macromolecule that contains carbon, hydrogen, oxygen and nitrogen; needed by the body for growth and repair

Why do we need to eat

Molecules in food contain chemical energy that cells use to produce ATP. Food also supplies raw materials your body needs to build and repair tissues.

What nutrients does to your body need?

The nutrients that the body needs include water, carbohydrates, fats, proteins, vitamins, and minerals.