Across
- 6. A deposit of fatty material on the inner lining of an arterial wall
- 7. A group of cells located in the right atrium that sends out signals that make the heart muscle contract and that regulates heart rate.
- 9. Pressure exerted by the blood upon the walls of the blood vessels,
- 12. Blood vessels that carry blood back to the heart
- 13. blood clotting
- 15. smallest blood vessel; brings nutrients and oxygen to the tissues and absorbs carbon dioxide and waste products
- 16. 55% liquid component of blood
- 17. the two lower chambers of the heart, and they pump blood out to the lungs and body.
Down
- 1. good cholesterol
- 2. Blood cells that perform the function of destroying disease-causing microorganisms
- 3. condition in which fatty deposits called plaque build up on the inner walls of the arteries
- 4. irregular heart beat
- 5. high blood pressure
- 8. bad cholesterol
- 10. Blood cells that carry oxygen from the lungs to the body cells.
- 11. Each of the two upper chambers of the heart that receives blood that comes into the heart
- 14. A blood vessel that carries blood away from the heart