Human body systems
Across
- 1. Short loop from heart to lungs and back
- 3. Solid outside part of the bone
- 6. system The system that goes throughout the whole body
- 7. Inside the compact bone
- 8. The act of breathing in air
- 10. cord Contains nerves that branch out into every organ
- 11. Muscles we can’t control
- 13. Muscles attached by tendons to the bone
- 15. Soft tissue that contains protein
- 16. make new bone and help repair
- 18. Where the two openings meet
Down
- 2. Break down bone
- 4. Controls what you think and feel
- 5. Carry blood away from the heart
- 9. system The system that contains the brain and spinal cord
- 12. Carry blood away and towards the heart
- 14. Blowing out carbon dioxide
- 17. Allows us to breath