Across
- 2. increase LDL cholesterol levels and lower HDL cholesterol levels
- 4. poisoning from too much of a substance
- 8. substances that protect cells and the immune system from damage by harmful chemicals
- 13. the process by which plants use the sun's energy to convert carbon dioxide and water into oxygen and glucose
- 14. the green pigment in plants
- 16. the form of carbohydrate that supplies energy to the body
- 18. a sugar made of two monosaccharides
- 19. a sugar made of several monosaccharides
- 20. the body's main source of energy
Down
- 1. a substance that tastes sweet but has few or no calories
- 3. the basic building blocks of fats
- 5. an unstable substance that can damage body cells
- 6. a carbohydrate with a more complex structure than a sugar
- 7. sugar that is extracted from plants and used to sweeten food
- 9. a fat-protein unit
- 10. a sugar with a single chemical unit
- 11. a fatlike substance in cells that is needed for many body processes
- 12. plant material that cannot be digested
- 15. a molecule that combines with other amino acid molecules to make proteins
- 17. a protein that transports oxygen in the blood to all cells in your body