Across
- 3. A disorder in which respiratory passageways become inflamed.
- 4. An irregular heartbeat.
- 7. The liquid component of the blood.
- 8. Pick up excess cholesterol from body tissues and artery walls and carry it to the liver.
- 13. A condition in which an artery wall hardens and thickens due to plaque buildup.
- 14. The force with which blood pushes against the walls of your blood vessels.
- 15. A lower chamber of the heart.
- 18. An upper chamber of the heart.
- 19. The smallest blood vessels in your body; they branch from the smallest arteries.
- 20. Carry cholesterol to body tissues for use or storage.
- 21. A substance that builds up in artery walls.
Down
- 1. A dome shaped muscle that lies below the lungs.
- 2. Cells that help protect you against diseases and foreign substances.
- 5. The cells that carry oxygen from the lungs to all the parts of your body.
- 6. An infection that causes the mucous membranes lining the bronchi to become inflamed.
- 9. A person whose blood pressure is consistently 140/90 or greater has high blood pressure.
- 10. Cell fragments that play an important role in the blood clotting process.
- 11. Large, thin-walled blood vessels that carry blood to the heart.
- 12. A small group of cells in the wall of the right atrium of the heart that receives messages from your brain to increase or decrease your heart rate.
- 16. Blood vessels that carry blood away from the heart.
- 17. Sacs at the end of the smallest tubes in the lungs where gases are exchanged between the air and the blood.