Across
- 4. Carries blood to the heart
- 5. Oxygen enters the body through the
- 7. Bones that protect your ribs
- 8. System that helps your muscles move
- 11. Major organ in the Respiratory System
- 12. Major organ in the Circulatory System
- 13. System that helps break down food for energy
Down
- 1. System that helps blood move through your body
- 2. Muscle that helps your lungs move
- 3. moves blood away from the heart
- 6. Hairs that filter out the dirty hairs
- 9. System that helps give your body its shape
- 10. System that controls inhaling oxygen and exhaling carbon dixoide