Across
- 1. Two passageway from the trachea to the lungs
- 4. Two large organs that exchange oxygen for carbon dioxide
- 6. Carry oxygen to other cells in body
- 8. Difficulty breathing due to swollen airway
- 9. Blood clots in the brain
- 11. The Upper Chambers of the Heart
- 12. The Lower chambers of the Heart
- 13. muscle that helps move blood
- 14. help different body systems destory disease causing germs
- 16. upper part of system that contains your vocal cords
- 17. Carry blood away from heart
Down
- 2. Organs that supply oxygen to the blood
- 3. blockage of blood flow to the heart
- 5. Force of blood against the walls of blood vessels
- 7. Large dome shaped muscle that enables breathing
- 10. group of organs and tissues that carry needed materials to cells and remove waste
- 15. Carry blood back to the heart