Across
- 6. the large vein that brings blood to the heart from the lower part of the body
- 7. a condition where the heart contracts abnormally
- 8. separates the left atrium and left ventricle
- 9. blood pumped in one beat
- 11. overall pressure within the blood system
- 13. inner most protective membrane of the heart
- 14. chamber that recieves blood from the lungs
- 15. a blood vessel that carries blood away from the heart
- 16. the "pacemaker"
- 21. network of conductive fibers, stimulates ventricles
- 22. the main artery that sends blood to the rest of the body
Down
- 1. chamber that sends oxygenated blood to the rest of the body
- 2. separates the right atrium and right ventricle
- 3. between atrium and ventricle, impulse is delayed here
- 4. the only artery that carries oxygen depleted blood
- 5. chamber that receives oxygen depleted blood from the body
- 10. the outermost protective membrane of the heart
- 12. chamber that sends blood to the lungs
- 17. the part of the cardiac cycle when ventricles relax and fill
- 18. blood pumped in one minute
- 19. the part of the cardiac cycle when ventricles contract
- 20. a blood vessel that carries blood toward the heart