Across
- 4. Which system carries your blood?
- 7. Another word that describes the inner balance of all body systems working together.
- 10. Sperm and eggs are part of the ... system
- 12. Why do your cells need nutrients?
- 13. True or False: The nervous system only works during the day.
- 16. Body systems that helps your bones to move.
- 17. The small and large intestines are part of this system system.
- 18. What keeps your functions normal?
- 20. Chemicals released by the glands in your body.
Down
- 1. The ...systems brings oxygen to your lungs.
- 2. Where lots of nerves are combines in your back is the ... cord.
- 3. What can you thank when you need a toilet quickly?
- 5. Where do white blood cells live?
- 6. What do muscles do when you flex them?
- 8. Which system protects your organs?
- 9. What does the digestive system break down your food into?
- 11. Skin, hair and nails are the ... system
- 14. This system gets rid of your urine.
- 15. Your ... system defends against disease.
- 19. Which system is kind of like your information highway?