1. Infectious Diseases

2. Examples: _________________________________ A ____________ is a condition that affects the normal functioning of the body. disease noninfectious cancer, heart disease, arthritis infectious Yellow fever, common cold, chicken pox ______________ - a disease that is not spread from one living organism to another Examples : ____________________________ ______________ - a disease that is spread from one living organism to another

3. ______________: a disease-causing microorganism pathogen

4. How are pathogens spread?

5. __________________: pathogens are spread when a person coughs or sneezes through the air

6. __________________: a sick person touches an object that is then touched by another person Contaminated object

7. __________________: spread by direct contact between people person to person

8. __________________: spread from an animal to a person such as by a tick bite animals

9. __________________: people can eat or drink contaminated food or water food and water

10. What are some preventions we can use?

11. __________________: using heat to kill microorganisms pasteurization

12. __________________: a substance that allows your body to develop resistance or immunity to a disease BrainPop- Flu Vaccine vaccine polio Diphtheria tetanus pertussis Hepatitis B

13. __________________: a substance that kills or slows the growth of bacteria BrainPop- Antibiotic Resistance antibiotics

14. How does your body defend itself from diseases?

15. __________________: have special enzymes or chemicals that destroy the pathogen __________________: pathogens are washed down the back of the neck by mucus and then digested in the stomach __________________: a moderate fever can slow the growth of pathogens and activate the cells of the immune system eyes and mouth nose fever

16. ________: - outermost layer is _______so pathogens don’t have a cell to infect - pathogens fall off when the dead skins cells fall off - skin also secretes _____that kill many pathogens skindead oils

17. __________________: a collection of cells, tissues and organs that work together to fight off pathogens BrainPop-Immune System immune system