8th Ch.8 Nutrition

calories

units of heat that measure the energy used by the body and the energy that foods supply to the body

nutrients

substances in food that your body needs

nutrition

process of using food and its substances to help your body have energy, grow, develop and work properly

appetite

psychological desire for food

hunger

is the physical need for food

nutrient deficiency

a shortage of a nutrient

carbohydrates

are the sugars and starches that provide your body with most of its energy

proteins

are nutrients your body uses to build, repair, and maintain cells and tissues

amino acids

are small units that make up proteins

saturated fat

are fats that are solid at room temperature coming from animals

unsaturated fats

fats that are a liquid at room temperature coming from plants

vitamins

substances needed in small quantities to help regulate body functions

minerals

elements needed in small quantities for forming healthy bones and teeth, and for regulating certain body processes

fiber

food that is the part of fruits, vegetables, grains & beans that your body cannot digest.

empty calories

calories that come from foods that offer few if any nutrients

nutrient density

amount of nutrients relative to the number of calories they provide