Across
- 4. to fight diseases in your body
- 8. a system that sends signals from your body to your brain
- 9. a system that breaks down your food
- 10. a system that lets you move or have motion
- 11. a system that moves blood around your body
- 12. this system is your skin
Down
- 1. a genital system that involves in sexual reproduction
- 2. the ability to maintain a stable internal environment of your body
- 3. a gland that releases hormones
- 5. provide movement inside and outside your body
- 6. a system that dispose the waste from your body
- 7. system that contains millions of alveoli