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