Across
- 2. functions the body
- 3. a chemical element
- 4. you can feel it in certain places
- 6. are white and red
- 9. excretory
- 10. flows through your body
- 12. found in the heart left and right sides
- 13. keeps things in order
Down
- 1. something in your body
- 3. branching blood vessels
- 5. a chemical gas
- 7. you can feel your pulse through them
- 8. carry blood around the body
- 11. found in the heart
