Across
- 1. complex protein that is made up of protein strands
- 5. together with arterioles they carry blood away from the heart
- 9. endothelial layer of the inner myocardial surface
- 13. a double walled sac around the heart
- 16. hardening of the arteries
- 17. they have thinner walls than arteries
- 19. receiving chambers of the heart
- 22. inflammation of a vein
- 24. discharging chambers of the heart
- 25. also known as the circulatory system
- 26. pounding, racing heartbeats
- 27. inflammation of pericardial sac around the heart
Down
- 2. measurement of the force exerted by blood against the wall of a blood vessel
- 3. inflammation of a heart valve
- 4. a component of blood that transport oxygen
- 6. inflammation of muscle layer of the heart wall
- 7. enlargement of the heart
- 8. defenses against invaders
- 10. visceral layer of the serous pericardium
- 11. it allows exchange of nutrients, wastes and gases
- 12. narrowing of a vessel
- 14. it is a cardiac muscle layer forming the bulk of the heart
- 15. crisscrossing,interlacing layer of connective tissue
- 18. help form blood clots
- 20. it lies between the atria and the ventricles
- 21. these are thin-walled collectors of blood
- 22. it is felt in the wrist or throat is the surge of blood caused by the heart contraction
- 23. a muscular pump that is made up of cardiac muscle fibers
- 27. a component of blood that contains dissolved nutrients, hormones, and gases
- 28. inflammation of a blood vessel