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Nutrition
the sum of all the processes involved in taking in nutrients and absorbing and using them
metabolism
process by which large molecules are broken down into smaller molecules to make energy available to the organisms
digestion
process of converting food into chemicl substances that can be absorbed into the blood and utilized by the body tissue
My Pyramid
food guidance system developed by the US Department of Agriculture shows the 6 food groups necessary for good nutrition and explains the use of each component
nutrients
biochemical substances used by the body that must be supplied in adequate amounts from food consumed
protein
essential to meet the body needs to build and replace tissue and cells.  maintain fluid balance, acid-base balance
Amino Acid
organic compounds that are the cheif components of proteins
9 essential amino acids
must be consumed through food sources
11 amino acids
liver manufactured
complete proteins
comes from animal sources contains all 9 essential amino acids
incomplete proteins(low quality)
do not contain all 9 essential amino acids plant sources
Daily reference intake
combination of recommended dietary allowance, adequate intake, estimated average requirement
marasmus
protein energy and nutrient malnutrition
Kwashiorkor
diet defecient in protein
carbohydrates
body main source of energy 50 to 60 percent of diet
Ingestion
take in of food
Digestion
breakdown of food into and absorbant state
Metabolism
conversion of food to energy
Absorption
the absorbant state of food into the bloodstream
Excretion
eliminating waste products
Anabolism
synethesis of new molecules
Catabolism
molecules broken down relase energy
Oxidation
combines nutrients with oxygen
Caloric Value
the amount of energy that nutrients or food supplies to the body
Kilcalories
large calorie the amount of energy required to raise a kilogram of water 1 degree celcius
small calories
the amount of energy req to raise a gram of water 1 degree celcius
organic
has to broken down
inorganic
all ready broken down
Vitamin A
maintenance of epitheleal cells and mucous membranes important for night vision
Vitamin E
protect red blood cells from rupture
vitamin k
nessary for blood clotting
vitamin d
aids in absorption of calcium and phosphorus, regualtes blood calcium promotes bone and teeth mineralization
vitamin c
helps protect the body against infection
calicum
muscle contraction and relaxtion, coagulation, build strong bones and teeth
sodium
acid base balance transmits nerve impulses and helps control muscle contraction
fluoride
aids in formation of teeth decrease cavities
iron
formation of hemoglobin
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