Nutrition

4. nutrient the body uses to build and maintain its cells and tissues
5. a negative reaction to food that doesn't involve the immune system
7. an important energy source for our body at rest and during low-intensity exercise
8. the process by which your body takes in and uses food; the science that studies food and how food nourishes our body and influences our health
9. contains the combinations of foods that provide the proper proportions of nutrients
12. assist in the regulation of many body processes and are classified as major or trace
15. starches and sugars found in foods
19. a high ratio of nutrients to calories
20. the extra amount of energy you can consume after you've met all of your essential needs by eating nutrient-dense foods
21. a waxy, fat-like substance found in your blood

1. provides enough of the energy, nutrients, and fiber to maintain a person's health
2. provides enough of the energy, nutrients, and fiber to maintain a person's health
3. the psychological desire for food
6. compounds found in food that help regulate many body processes
7. a condition in which the body's immune system reacts to substances in some foods
10. a tough complex carbohydrate that the body cannot digest
11. a unit of heat used to measure the energy your body uses and the energy it receives from food
13. small chemicals (usually proteins) that act on other chemicals to speed up body processes, but are not apparently changed during these processes
14. the process by which foods are broken down into their component molecules, either mechanically or chemically
16. substances added to a food to produce a desired effect
17. substances in food that your body needs to grow, to repair itself, and to supply you with energy
18. the natural physical drive to eat, prompted by the body's need for food