Across
- 2. branches into smaller tubes called bronchioles
- 4. blood travels through these tubes from the heart to the body
- 5. collect and stick to the vessel at the wound site
- 10. Caused by smoking and breathing toxic materials in
- 12. carries oxygen to all of the body's cells
- 13. Long tube in the chest cavity
- 14. Before the Epiglottis but after the Nasal cavity
- 16. Respiratory pathways become irritated and bronchioles constrict
- 18. Alternating expansion and relaxation of an artery causing this
- 19. carries oxygen depleted blood back to the heart
- 20. Inhaling and Exhaling
Down
- 1. Measure of how much pressure is exerted against the blood vessels by the blood
- 3. pumps blood throughout the body
- 6. Holds most of the oxygen
- 7. underneath the lungs;helps you to breathe out
- 8. the start of the respiratory system
- 9. Carries the blood and other important nutrients for the body
- 11. Blood comes from the Superior Vena-Cava to this chamber of the heart
- 15. smallest of all blood vessels
- 17. Individual air sacks