Across
- 2. Urea + water
- 3. needed to make hemoglobin
- 6. balance of the body
- 8. Organ filter out urea
- 11. elimination of undigested food
- 12. movement
- 15. make energy
- 16. process to create energy
- 17. taking in food
- 18. plant eater
- 19. elimination of waste products
Down
- 1. process of respiration with oxygen
- 4. both meat and plant eater
- 5. breaking down of nutrients
- 7. Chemical reaction in an organism
- 9. take in nutrients
- 10. asexual or sexual
- 13. meat eater
- 14. excess amino acids