Nutrition

1. Nutrients the body uses to build and maintain its cells and tissues.
3. Substances added to a food to produce a desired effect.
6. A unit of heat used to measure the energy your body uses and the energy it receives from food.
7. The natural physical drive to eat, prompted by the body's need for food.
8. The spreading of pathogens from one food to another.
13. A negative reaction to food that doesn't involve the immune system.
14. Substances in food that your body needs to grow, to repair itself, and to supply you with energy.

1. Treating a substance with heat to kill or slow the growth of pathogens.
2. Starches and sugars found in foods, which provide your body's main source of energy.
4. Food poisoning.
5. the process by which your body takes in and uses food.
9. A high ratio of nutrients to calories.
10. The psychological desire for food.
11. A tough complex carbohydrate that the body cannot digest.
12. Condition in which the body's immune system reacts to substances in some foods.