a
Across
- 1. blood vessels that carry blood back to the heart
- 3. substances in food that help the body grow
- 5. body parts that help you move
- 7. an organ that helps break down food
- 10. to breathe air into your lungs
- 12. a gas the body needs to survive
- 13. the organ that controls thinking and movement
- 14. blood vessels that carry blood away from the heart
Down
- 2. long tubes where nutrients are absorbed
- 4. the red liquid that carries oxygen in the body
- 6. organs that help you breathe
- 8. the organ that pumps blood through the body
- 9. hard parts that support your body
- 11. to breathe air out of your lungs