Across
- 6. of, relating to, or located between an atrium and ventricle of the heart
- 9. an aortic valve that has two flaps (cusps) instead of three
- 10. a rapid heart rate
- 14. force originating in the pumping action of the heart, exerted by the blood against the walls of the blood vessels
- 15. period of contraction of the ventricles of the heart that occurs between the first and second heart sounds of the cardiac cycle
- 17. a slow heart rate
- 18. the largest blood vessel in the body
- 19. a condition in which the blood vessels have persistently raised pressure
- 20. a blood vessel that carries blood to the heart from tissues and organs in the body.
- 22. thin-walled chamber that receives blood from the veins
- 23. period of relaxation of the heart muscle, accompanied by the filling of the chambers with blood
- 25. large vein that carries blood to the heart from other areas of the body.
Down
- 1. minute blood vessels that form networks throughout the bodily tissues
- 2. the membrane enclosing the heart
- 3. a condition in which the blood vessels have persistently raised pressure
- 4. the system of transportation that shunts de-oxygenated blood from the heart to the lungs to be re-saturated with oxygen before being dispersed into the systemic circulation
- 5. valve consisting of three triangular flaps of tissue between the right auricle and ventricle of the heart
- 7. the time from the end of one heart contraction to the end of the subsequent contraction
- 8. very rapid irregular contractions of the muscle fibers of the heart resulting in a lack of synchronism between heartbeat and pulse
- 11. chamber of the heart that receives blood from one or more atria and pumps it by muscular contraction into the arteries
- 12. hardening and thickening of the walls of the arteries
- 13. unusual, 'whooshing' heart sound that may be innocent or may reflect disease or malformation
- 16. low blood pressure
- 21. system made up of the vessels that carry blood and lymph through the body
- 24. the area between lungs