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a source of materials to nourish the body


any substance that can be metabolized by an organism to give energy and build tissue


unit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure


Aany of a large group of nitrogenous organic compounds that are essential constituents of living cells

Complete protein

a protein that contains all the essential amino acids

Amino acid

organic compounds containing an amino group and a carboxylic acid group

Essential amino acids

Amino acids that are needed, but cannot be made by the body; they must be eatin in foods

Incomplete protein

A protein that is usually deficient in one or more of the essential amino acids. Most plant proteins are incomplete


a biomolecule composed of carbon, hydrogen, and oxygen with a ration of about two hydrogen atoms and one oxygen atom for every carbon atom

Simple carbonhydrate

Eneter the bloodstream rapildyly

Complex carbonhydrate

Starches and fber


a complex carbohydrate found chiefly in seeds, fruits, tubers, roots and stem pith of plants, notably in corn, potatoes, wheat, and rice


a slender and greatly elongated solid substance


excess bodily weight

Fat-soluble vitamin

vitamins that are absorbed and transported by fats; includes vitamins A, D, E and K

Saturated fat

fat in which all three fatty acid chains contain the maximum possible number of hydrogen atoms


an animal sterol that is normally synthesized by the liver

Unsaturated fat

A lipid made from fatty acids that have at least one double bond between carbon atoms

Visible fat

are fats that are obvious to see such as butter, margarine, separate cream, salad oils, lard ect.

Invisible fat

not so visible fats such as cheese, egg yolk, nuts, seeds, olives, avocados, and lean meat.


any of a group of organic substances essential in small quantities to normal metabolism

Water-soluble vitamin

a vitamin, specifically vitamin C or one of the B complex vitamins, that dissolves in water; are not stored in the body


solid homogeneous inorganic substances occurring in nature having a definite chemical composition


a fluid necessary for the life of most animals and plants


the process of extracting moisture


a drug that increases the secretion of urine commonly prescribed in treating hypertension

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