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Absorption
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the passage of nutrients from the gastrointestinal tract into either the blood or the tissue fluid surrounding the cells
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terms list
Absorption
the passage of nutrients from the gastrointestinal tract into either the blood or the tissue fluid surrounding the cells
Amino acid
one of the building blocks of protein molecules
Appetite
a desire to eat
Calorie
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
Deficiency disease
a disease caused by the lack of a specific necessary element in the body.; examples include pellagra, rickets, anemia, goiter,
Diabetes mellitus
lack of or inability to use the hormone insulin, which results in the guild up of glucose in the bloodstream
Digestion
the process by which the body breaks down food into useable nutrients
Fallacy
a mistaken belief
Fat soluble vitamin
vitamins that are absorbed and transported by fats; includes vitamins A, D, E and K
Glucose
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
Malnutrition
poor nutrition over an extended period of time which can be caused by an inadequate diet or the body
Metabolism
the process by which living cells use nutrients in many chemical reactions that provide energy for vital processes and activities
Nutrient
chemical substances in food that help to maintain the body
Nutrition
the study of nutrients and how they are used by the body
Obesity
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
Osteoporosis
a condition caused by a calcium deficiency which results in porous, brittle bones and a loss in bone density
RDA - (Recommended Dietary Allowances)
suggested levels of nutrient intake to meet the needs of most healthy people
Saliva
a mucus and enzyme-containing liquid secreted by the mouth that begins to break down starches and makes food easier to swallow
Taste buds
sensory organs located on various parts of the tongue
Trace elements
elements or minerals needed in very small amounts
Vitamins
nutrients that don't provide energy or build body tissue, but help regulate these and other body processes
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
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