The Immune System 377Pathogens
Cause Infectious
Disease
I found this information
on page.Germ Theory
and Koch’s
Experiments
I found this information
on page.Spread of
Disease
I found this information
on page.Identify facts about harmful and helpful microorganisms.Section 37.1 Infectious Diseases (continued)Main Idea Details
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Five types of pathogens:1.2.3.4.5.Four places that helpful micro-
organisms live in your body:1.2.3.4.Design the experimental steps you would use to identify the virus
that caused bird flu in a flock of chickens using Koch’s postulates.Three disease reservoirs:1.2.3.Four main ways diseases are
transmitted to humans:1.2.3.4.4.
3.
2.
1.
Analyze how diseases spread.