Across
- 2. the outside layer of your body
- 4. bone above the knee
- 5. protects the brain
- 8. part of the muscular system
- 10. bone of the forearm
- 12. part of the digestive system
- 13. part of the skeletal system
- 14. main part of the circulatory system
- 15. bone of the hand
Down
- 1. part of the digestive system
- 3. part of the circulatory system
- 6. removes the waste from the blood
- 7. The main part of the nerve system
- 9. they help you breath
- 11. secretes acid and enzymes