1. Disease Notes Unit 6.1
Chastain

2. Opening 4/23 Copy Questions 1-4
The Spread of germs
What are the parts of a germ?
How do germs make you sick?
How does your body defend against germs?
Explain how bacteria can help.

3. Learning Target
I can explain how diseases can be contracted through my environment including family history.

4. Germs
Germs are tiny organisms, or living things, that can cause disease.
Germs are so small and sneaky that they creep into our bodies without being noticed.

5. Germs

6. Bacteria
Bacteria are tiny living beings (microorganisms) - they are neither plants nor animals - they belong to a group all by themselves.
Bacteria are tiny single-cell microorganisms, usually a few micrometers in length that normally exist together in millions.

7. Bacteria

8. Disease an illness that affects a person, animal, or plant
a condition that prevents the body or mind from working normally.

9. Infection
The invasion and multiplication of microorganisms such as bacteria, viruses, and parasites that are not normally present within the body. 

10. Virus
an infective agent that typically consists of a nucleic acid molecule in a protein coat.
It is too small to be seen by light
microscopy
It is able to multiply only within
the living cells of a host.

11. Virus

12. Epidemic
A widespread occurrence of an infectious disease in a community at a particular time.
Example – When people were sick with the flu at school.

13. Pandemic
A Disease prevalent over a whole country or the world.

14. Vaccine
A vaccine is a product that produces immunity from a disease and can be administered through needle injections, by mouth, or by aerosol.

15. Immune System

16. Quizlet 6.1