Across
- 4. Teeth used for cutting and biting food
- 5. Internal balance of a living organism
- 11. Cells that work together to perform a certain function
- 15. Cells that transfer an electrochemical impulse
- 16. Blood vessels that carry blood away from the heart
- 17. Teeth used for crushing food
- 19. Where organisms live
- 20. Animal that feeds on other animals
Down
- 1. Largest portion of the brain
- 2. Fats and oils from food
- 3. Outer layer of skin
- 6. Tissues that works together to perform a certain function
- 7. Cell fragments that help blood clotting
- 8. Egg white
- 9. Animal without a backbone
- 10. Fluid portion of blood
- 12. Creates insulin
- 13. Animal that the predator eats
- 14. Study of food and how it affects the body
- 18. White of the eye