the passage of nutrients from the gastrointestinal tract into either the blood or the tissue fluid surrounding the cells

one of the building blocks of protein molecules

a desire to eat

a measurement of the amount of energy produced when food is burned by the body; In science, it is the amount of energy needed to raise the

a disease caused by the lack of a specific necessary element in the body.; examples include pellagra, rickets, anemia, goiter,

lack of or inability to use the hormone insulin, which results in the guild up of glucose in the bloodstream

the process by which the body breaks down food into useable nutrients

a mistaken belief

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

type of simple sugar; The body's primary energy source and the only energy source for the brain and nervous system; the basic sugar molecule

poor nutrition over an extended period of time which can be caused by an inadequate diet or the body

the process by which living cells use nutrients in many chemical reactions that provide energy for vital processes and activities

chemical substances in food that help to maintain the body

the study of nutrients and how they are used by the body

weighing twenty percent or more above desirable weight for height; In an adult, obesity is defined as a body mass index of 30 or more

a condition caused by a calcium deficiency which results in porous, brittle bones and a loss in bone density

suggested levels of nutrient intake to meet the needs of most healthy people

a mucus and enzyme-containing liquid secreted by the mouth that begins to break down starches and makes food easier to swallow

sensory organs located on various parts of the tongue

elements or minerals needed in very small amounts

nutrients that don't provide energy or build body tissue, but help regulate these and other body processes

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