Communicable Disease

2. the smallest and simplest pathogens
4. simple one-celled organisms
5. the ability to resist the pathogens that cause a particular disease
6. germs that cause diseases
10. substances that send the immune system into action
11. able to spread to others by direct or indirect contact
12. a sore throat caused by streptococcal bacteria
14. a serious inflammation of the lungs
16. cleanliness
17. any condition that interferes with the proper functioning of the body and mind
18. specific proteins that attach to antigens to prevent them from harming the body
19. a highly communicable viral disease characterized by fever, chills, fatigue, headache, muscle aches, respiratory symptoms

1. organisms that are more complex than bacteria but cannot make their own foods
3. a preparation of dead or weakened pathogens that are introduced into the body to cause an immune response
6. one-celled organisms that are more complex than bacteria
7. organisms that are so small they can only be seen through a
8. a disease caused by the Hepatitis B virus that effects the liver
9. an organism such as an insect, that transmits pathogens
13. a bacterial disease that usually affects the lungs
15. the result of pathogens or germs invading the body, multiplying and harming your body cells