Health Chapter 7, Chapter 8, and Environment

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Health Chapter 7, Chapter 8, and Environment
2013-05-01 03:46:23

Test on Tuesday, 3 May 2013.
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  1. nutrition
    the science or study of food and the ways in which the body uses food
  2. nutrient
    a substance in food that provides energy or helps form body tissues and that is necessary for life and growth
  3. carbohydrate
    a class of energy-giving nutrients that includes sugars, starches, and fiber
  4. fat
    a class of energy-giving nutrients; also the main form of energy storage in the body
  5. protein
    a class of energy-giving nutrients that are made up of amino acids, which are needed to build and repair body structures and to regulate processes in the body
  6. vitamin
    a class of nutrients that contain carbon and are needed in small amounts to maintain health and allow growth
  7. mineral
    a class of nutrients that are chemical elements that are needed for certain body processes, such as enzyme activity and bone formation
  8. nutrient deficiency
    the state of not having enough of a nutrient to maintain good health
  9. Recommended Dietary Allowances (RDAs)
    recommended nutrient intakes that will meet the needs of almost all healthy people
  10. Daily Value (DV)
    recommended daily amount of a nutrient; used on food labels to help people see how a food fits into their diet
  11. MyPyramid
    a food guidance system that encourages healthy food choices and daily activity
  12. Dietary Guidelines for Americans
    a set of diet and lifestyle recommendations developed to improve health and reduce nutrition-related disease risk in the U.S. population
  13. nutrient density
    a measure of the nutrients in a food compared with the energy the food provides
  14. vegetarian
    a dietary pattern that includes few or no animal products
  15. environment
    the living and nonliving things that surround an organism
  16. ecosystem
    a community of living things and the nonliving parts of the community's environment
  17. acid rain
    any precipitation that has a below-normal pH
  18. Chlorofluorocarbons (CFCs)
    pollutants released by certain coolants and aerosol sprays
  19. ultraviolet (UV) radiation
    radiation in sunlight that is responsible for tanning and burning skin
  20. conservation
    the wise use and protection of natural resources
  21. renewable resource
    a natural resource that can be replaced over a short period of time
  22. nonrenewable resource
    a natural resource that can be used up faster than they can be replenished naturally
  23. overpopulation
    the point at which a population is too large to be supported by the available resources
  24. deforestation
    the clearing of trees from natural forests to make space for crops, grazing, or development
  25. recycling
    reusing materials from used products to make new products
  26. hunger
    the body's physical response to the need for food
  27. appetite
    the desire, rather than the need, to eat certain foods
  28. basal metabolic rate (BMR)
    the rate at which energy is used to keep the body alive when in a rested and fasting state
  29. overweight
    being heavy for one's height
  30. obesity
    having a significant amount of excess body fat; the state of weighing more than 20 percent above your recommended body weight
  31. heredity
    the passing down of traits from parents to their biological child
  32. body composition
    the proportion of body weight that is made up of fat tissue compared to lean tissue
  33. body mass index (BMI)
    an index of weight in relation to height that is used to assess healthy body weight
  34. weight management
    a program of sensible eating and exercise habits that keep weight at a healthy level
  35. fad diet
    a diet that requires a major change in eating habits and promises quick weight loss
  36. body image
    how you see and feel about your appearance and how comfortable you are with your body
  37. anorexia nervosa
    an eating disorder that involves self-starvation, a distorted body image, and low body weight
  38. bulimia nervosa
    an eating disorder in which the individual repeatedly eats large amounts of food and then uses behavior such as vomiting or using laxatives to rid the body of the food
  39. binge eating/bingeing
    eating a large amount of food in one sitting; usually accompanied by a feeling of being out of control
  40. purging
    engaging in behaviors such as vomiting or misusing laxatives to rid the body of food
  41. food allergy
    an abnormal response to a food that is triggered by the immune system
  42. lactose intolerance
    the inability to completely digest the milk sugar lactose
  43. food-borne illness
    an illness caused by eating or drinking a food that contains a toxin or disease causing microorganism
  44. cross-contamination
    the transfer of contaminants from one food to another