Across
- 4. an organ.
- 5. body's main source of energy.
- 9. relating to or derived from living matter.
- 11. required in small quantities in the diet because they cannot be synthesized by the body.
- 12. light from the sun.
- 13. natural agent that makes things visible.
- 14. chemical element or dairy product.
- 15. a substance that provides nourishment.
- 16. an electrolyte found in food.
- 17. storage form of energy in plants.
- 19. tasteless, colourless, transparent liquid.
- 20. the colourless fluid part of blood.
Down
- 1. not previously known or used.
- 2. a chemical element or substance required in trace amount for growth.
- 3. oily or greasy substance.
- 6. red protein responsible for transporting oxygen.
- 7. all monosaccharides and disaccarides.
- 8. an energy yeidling nutrient composed of carbon, hydrogen, oxygen and nitrogen.
- 10. energy in foods.
- 18. in good health.
