Across
- 3. make up tissue
- 9. we have 2
- 10. windpipe
- 12. blood bright red
- 13. make organs
- 14. system like a post office of the body (transports things
- 15. where we eat
Down
- 1. smallest blood vessel
- 2. below the heart
- 4. blood dark red (mistaken for blue)
- 5. make organ systems
- 6. little blood filter
- 7. look blue
- 8. above the heart
- 11. helps us breathe