1. 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Causes of Infectious Diseases Spread of Diseases Defense against Diseases STD’sCommon Information

2. Smallest know type of infectious agent

3. viruses

4. Single celled microrganism

5. Bacteria

6. ORGANISMS THAT RESEMBLE BACTERIA BUT INVADE CELLS LIKE VIRUSES

7. Rickettsias

8. Organisms that feed off dead animals, insects, and leaves

9. Fungi

10. These single cell organisms are larger than bacteria and are most common in tropical areas.

11. Protozoams

12. When pathogens are spread by physical contact

13. Direct Contact

14. When pathogens are inhaled

15. Indirect

16. Causes rabies and malaria

17. Animals or insects

18. Pathogens are spread by touching

19. objects

20. Causes the spread of pathogens through food, water, soil and even air

21. Environment

22. Organism that may cause illness often called “Foreign Invader”

23. Pathogen

24. This barrier is the first line of defense against invading pathogens

25. Physical

26. Barriers that include tears and saliva

27. Chemical

28. When phagocytes engulf and destroy pathogens

29. Phagocytosis

30. Type of white blood cell that fights pathogens

31. Lymphocytes

32. Best way not to catch STD’s

33. Abstinence

34. These are pink or reddish with cauliflower like tops

35. Warts

36. Blister like sores in the genital area

37. Herpes

38. Caused by a small bacterium called a spirochete. It has four stages

39. syphillis

40. Tiny insects that attach themselves to skin and hair in the pubic area

41. Lice

42. Viral infection that causes stuffy, runny nose, and sneezing

43. cold

44. Viral infection that causes chills, fever, headache, muscle ache, and weakness

45. Flu

46. The immunity your body develops to protect you from disease

47. Active immunity

48. Is a bacterial infection of the throat

49. Strep

50. This is known as the kissing disease and is a viral infection

51. Mono