absorption - answer The process by which nutrient molecules pass through the wall of
the digestive system into the blood
digestion - answer Breakdown of food substances into simpler forms that can be
absorbed and used
basal metabolic rate (BMR) - answer The metabolic rate of a nongrowing, resting,
fasting, nonstresses endotherm.
bile - answer secretion of liver stored in gallbladder
essential for the digestion of fat
bioavailable - answerability of nutrient to be readily absorbed and used by the body
bolus - answer A term used to describe food after it has been chewed and mixed with
saliva
buffer systems - answer protective systems of regulating amounts of hydrogen ions in
body fluids
calorie - answermeasurement of heat
1 lb of fat - answer3500 calories
caboxypeptidase - answerpancreatic enzyme necessary for protein digestion
nutrients - answerchemical substances found in food necessary for good health (carbs,
fats, proteins, vitamins, minerals, water)
essential nutrient - answerraw material that must be ingested because cells cannot
make it from other molecules
glycogen - answerglucose that is stored in the liver and muscles
fiber - answerA tough complex carbohydrate that the body cannot digest
cellulose - answerA substance (made of sugars) that is common in the cell walls of
many organisms
lipids and fat - answerformed from glycerol
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