Diseases

123456789101112131415161718192021
Across
  1. 4. one celled organisms that are larger and more complex than bacteria
  2. 6. diseases of the heart and blood vessels
  3. 7. resistance to a particular disease
  4. 8. one that last for a long time or keeps coming back
  5. 12. a condition in which the body reacts to food or other substances
  6. 13. is a system of body organs, tissues, and cells that destroy pathogens
  7. 15. a blockage or break in a blood vessel that brings blood flow to the brain
  8. 16. living organisms or particles that can cause diseases
  9. 19. means blood is pressing very hard on the walls of the arteries when the heart beats
  10. 20. a disease that are is non spread person to person
  11. 21. fight pathogens that cause infection and illness
Down
  1. 1. are dead or weakened pathogens given for immunity
  2. 2. a condition that results when the blood supply to the heart muscle is blocked off or interrupted
  3. 3. diseases caused by pathogens that can be spread from person to person
  4. 5. is the breakdown of the body's ability to fight infection
  5. 9. is a substance that causes cancer
  6. 10. are pathogens that are living organisms of plant cells but make their own food
  7. 11. is a pathogen that is one-celled organisms that can live almost everywhere on earth
  8. 12. protein substances in blood that can find weaken and destroy pathogens
  9. 14. white blood cells that trigger the production of antibodies
  10. 17. a condition in which nerve messages from the brain are disturbed for brief periods of time
  11. 18. a disease in which abnormal cells multiply and spread