nutrition

3. necessary for a healthy body
5. build and repair body tissue
6. makes up bones and teeth
9. an indigestible fiber found in plant cell walls
11. important in the structure of bone
13. important in building body parts
14. nervosa- characterized by intense fear of being fat and by serving weight loss
17. overeat and then vomit secretly once or several times a day
19. and oils- source of stored energy for life activities
20. makes up part of hemoglobin

1. dissolves and transports materials
2. person who has a special interest in food and health
4. important in protein digestion
7. makes up thyroid hormones
8. influences muscle contraction and nerve action
10. important in fluid balance
12. diet- made up of a variety of foods that supply the body with the proper amounts of necessary nutrients and energy
15. helps push food through the digestive tract
16. source of energy for life activities
18. the energy content of food measured in heat units