Across
- 1. A red fluid
- 3. The vessel that carries blood to the heart
- 5. Windpipe
- 7. An upper chamber of the heart
- 10. The vessel that carries blood from the heart
- 11. You're not a mouth-breather, you're a ____-breather
- 12. The back of the mouth
- 14. A cell in blood that fights disease
- 15. A component of blood that carries nutrients
Down
- 2. You have two _____
- 4. A cell in blood that carries oxygen
- 6. The final portion of the heart
- 8. The voice box
- 9. These come off the trachea
- 13. The part of the lung where oxygen goes into the blood