Across
- 3. food grown or made without the use of artificial chemicals
- 4. either of two units of heat energy
- 5. long chains of amino acids and are an essential part of building and repairing muscle
- 10. in good health
- 13. any of a group of organic compounds that are essential for normal growth and nutrition
- 14. used as a sweetener in food and drink
- 15. a white, tasteless, so lid carbohydrate
- 17. a chemical element or substance required in trace amounts for the normal growth and development of living organisms.
- 18. the chemical element of atomic number 20, a soft gray metal
Down
- 1. tasteless liquid that forms the seas, lakes, rivers, and rain
- 2. each of a pair of organs in the abdominal cavity of mammals
- 4. can be broken down to release energy in the body
- 6. light from the sun
- 7. a red protein responsible for transporting oxygen in the blood of vertebrates
- 8. the colorless fluid part of blood
- 9. not previously known or used; new or different
- 11. the chemical element of atomic number 19, a soft silvery-white reactive metal of the alkali metal group
- 12. a natural oily or greasy substance
- 16. substance that provides nourishment essential for growth
- 19. the natural agent that stimulates sight and makes things visible
