Nutrients

3. main source of energy, a major nutrient
6. serious health problem caused by poor nutrition over a prolonged period
9. a severe nutrient shortage
10. keep your brain functioning, your skeleton moving and your heart beating
12. help build, repair and maintain body tissues

1. new nutrition recommendations to help North Americans stay healthy
2. transporting nutrients
4. amount of energy needed to raise the temperature of one kilogram
5. a mixture of plant materials that are not broken down in the digestive system
7. will become a part of body tissues
8. help regulate many vital body processes
11. essential to life