5 Written Questions

1. molecules that act as helpers in a variety of chemical reactions within the body
2. a substance produced by the liver that breaks up fat particles
3. guidelines that show the amounts of nutrients needed every day
4. simple sugar; a carb that is absorbed quickly into the bloodstream and that provides a quick form of energy
5. a thick, slippery substance produced by the body

5 Matching Questions

1. Percent Daily Value
2. villus
3. glucose
4. protein
5. nutrients

1. a substances in food that provide the raw materials and energy the body needs to carry out essential processes
2. b Tiny finger-shaped structures that cover the inner surface of the small intestine and provide a large surface area through which digested food is absorbed
3. c nutrient that contains nitrogen as well as carbon, hydrogen, and oxygen;they bare needed for tissue growth and repair, and play apart in chemical reactions within cells
4. d a sugar that is the major source of energy for the body's cells
5. e a value that shows how the nutritional content of one serving of food fits into the diet of a person that consumes 2,000 Calories a day

5 Multiple Choice Questions

1. compound made up of carbon, hydrogen, and oxygen atoms; major source of energy for the human body
   1. calorie
   2. simple carbohydrate
   3. carbohydrates
   4. complex carbohydrate
2. nutrients that are needed by the body in small amounts and are not made by living things
   1. mineral
   2. bile
   3. liver
   4. pancreas
3. involuntary waves of muscle contraction that keep food moving along in one direction through the digestive system
   1. protein
   2. epiglottis
   3. vitamin
   4. peristalsis
4. a small molecule that is linked chemically to other amino acids to form proteins
   1. stomach
   2. vitamin
   3. mineral
   4. amino acid
5. the process by which the body breaks down food into small nutrient molecules
   1. rectum
   2. digestion
   3. absorption
   4. vitamin

5 True/False Questions

1. esophagus → a muscular tube that connects the mouth to the stomach

   True        False

2. saliva → The fluid released when the mouth waters that plays an important role in both mechanical and chemical digestion

   True        False

3. fat → a substance produced by the liver that breaks up fat particles

   True        False

4. gallbladder → the largest organ in the body; it plays a role in many body processes

   True        False

5. pancreas → nutrients that are needed by the body in small amounts and are not made by living things

   True        False