Across
- 4. clumping caused by antibodies binding to antigens on RBCs
- 5. a hereditary bleeding disorder, lacks clotting factors
- 7. abnormal or unusual heart sounds
- 8. artery walls thicken due to fatty deposits (plaques)
- 12. blood circulates inside closed transport systems
- 13. prolonged angina, heart cells may die
- 14. foreign substance that the immune system recognizes
- 16. events of one heartbeat
- 17. uncoordinated shuddering of the blood heart muscle, useless pump
Down
- 1. rapid heart rate
- 2. high blood pressure
- 3. Y-shaped proteins secreted by WBCs that attach to antigens
- 5. blood cell formation
- 6. clot in unbroken blood vessel
- 9. abnormally shaped hemoglobin
- 10. stoppage of bleeding
- 11. heart muscle deprived of O2 -> crushing chest pain
- 14. decrease in the carrying ability of blood
- 15. thrombus breaks away from vessel
- 18. very slow prolonged heart rate