1. Disease Unit

2. Disease Host Pathogen Virus Bacteria Fungus
The creature who becomes a home for a disease
Pathogen
Microorganism that produces disease
Virus
Only reproduce/multiply within a host organism
Bacteria
Plant-like organisms that live in and help our bodies
Fungus
Organisms that get food from other living matter

3. Spreading Out COMMUNICABLE=
Diseases that can be spread from one living thing to another
Examples: Colds, Flu, Chicken Pox, AIDS

4. Spreading Out NON-COMMUNICABLE Diseases that cannot be spread
Examples: Cancer, Heart Disease, Arthritis

5. 4 Methods Pathogens Travel
Spreading Out
4 Methods Pathogens Travel
Airborne
Water/Food
Insects, ticks, rats (=vectors)
Direct Contact

6. How the Body Defends Against Disease
Skin
Tears, saliva, sweat
Mucous
Coats mucous membranes, traps and destroys pathogens
Stomach Acids
Immune System
Fever

7. How the Body Defends Against Disease
Antibodies
Chemicals that white blood cells make to fight pathogens
Antibiotics
Medicine that destroys or weakens bacteria
Anti-virals
Medicine that slows or stops virus growth
Vaccines
Made by humans to simulate viruses and bacteria. They are weakened or dead pathogens injected into humans to initiate antibody production

8. How to Prevent Disease STRONG IMMUNE SYSTEM!! Wash your hands!!!
Adequate sleep
Balanced nutrition
Regular exercise
Recovery time
Stress management