1. Communicable Diseases
Ms. Kelly
8th Grade Health

2. Journal:
Define disease.
What does it mean to be “in good health”?

3. Disease
An abnormal condition or change (other than injury), that interferes with normal body functioning causing physical, mental, and/or social problems

4. Types Non-Communicable: non-contagious
Heredity/Genetics
Environmental Factors
Lifestyle Factors
Communicable: Infectious (contagious); can be passed from one source to another
Pathogens

5. Pathogens AKA—GERMS! Harmful micro-organisms that cause disease
Disease results ONLY when the growth of a pathogen begins to injure the cells and tissues of an infected person

6. Caused by
DISEASE:
Def:
Examples
Contagious
Not contagious

7. TYPE DISEASES TREATMENT
Pathogens
TYPE
DISEASES
TREATMENT 1. 2. 3. 4.
Strep, E.Coli, Pneumonia
Antibiotics
Bacteria
Rest, Liquids, Good diet
Cold, Mono, flu
Virus
Athlete’s foot, ringworm
Fungus
Topical cremes
Surgery, Medications
Protozoa
Tapeworm

8. With a partner, discuss:
How do germs spread?

9. Ways Pathogens Spread Direct contact Droplets (airborne)
Contaminated surfaces
Contaminated food or water
Animals/insects

10. Properties of a Virus How easily it spreads Durability
Fast or slow?
Durability
How long can it live outside the body?
How quickly it kills
How fast does it attack cells?
How much it mutates
How frequently does it change?

11. So, worst possible type…
Spreads easily
Very durable
Kills slowly
Constantly mutates