2. -Get Worksheets off chair. -Sit in your assigned seat -Start your Journal (Front & Back) Communicable Disease

3.  A disease that can be passed to a person from another person, animal, or object.

4.  Disease-causing organisms that are so small they can only be seen through a microscope.

5.  Bacteria - tiny one-celled organisms  Viruses - smallest pathogens  Fungi - more complex bacteria, but cannot make their own food  Protozoa - one-celled organisms that can make their own food

6.  Bacteria- Pink Eye, Strep throat, Lyme Disease  Viruses- Colds, Chicken Pox, Fever, Polio, Rabies  Fungi- Athletes Foot, Ringworm  Protozoa- Malaria

7.  An organism, such as an insect, that transmits pathogens.

10. Background Music for the Worksheet

11.  A combo of body defenses made up of cells, tissues, and organs that fight off pathogens and disease.

12.  Tears - keeps dust away from your eyes  Saliva - keeps germs off your teeth  Skin - keeps pathogens away from your blood  Mucous Membranes- sticky material called mucous that traps pathogens  Stomach Acid- kills any pathogen that get paste saliva

13.  A secondary circulatory system that helps the body fight pathogens and maintains its fluid balance.

14.  A preparation of dead or weakened pathogens that causes the immune system to produce antibodies.

16. Crossword #2 Wordbank: (The Body Defenses Against Infection) Immunity Lymphocytes Vaccine Antigen Lymphatic-system Antibodies Inflammation Immune-system

17. -the length of time that a particular disease can be spread from person to person

18.  A Bacterial disease that usually affects the lungs.

19.  A serious inflammation of the lungs.

20.  A sore throat caused by streptococcal bacteria.

22. Crossword # 3 Wordbank: (Common Communicable Diseases) Mononucleosis Strep-throat Pneumonia Contagious-period Hepatitis Tuberculosis