Across
- 4. the amount of a nutrient needed by 98% of the people in a given age and gender group
- 7. a special protein that helps a chemical reaction take place
- 10. billions of tiny, finger-like projections covering the inner wall of the small intestine
- 11. poor nourishment resulting from a lack of nutrients
- 13. a thick liquid churned by the stomach through peristalsis
- 14. a chemical reaction in which molecules combine with oxygen
- 16. the process by which nutrients move into the bloodstream
- 17. the mechanical and chemical process of breaking down food and changing nutrients into forms your body can use
- 18. the part of the digestive tract that connects the mouth and the stomach
- 19. the energy you need to maintain automatic processes
Down
- 1. a storage form of glucose
- 2. rhythmic movements of muscles
- 3. the amount of energy needed to raise the temperature of 1 kilogram of water by 1 degree celcius
- 5. the use of nutrients to provide energy
- 6. blood sugar; the body's basic fuel
- 8. a gland connected to the small intestine
- 9. a blood disorder that causes lack of energy, weakness, shortness of breath, and cold hands and feet
- 12. a nutrient standard that is used when a lack of scientific info makes it impossible to establish the RDA for a particular nutrient
- 15. the recommended daily amount of nutrients for people of a certain age and gender group