- Knowing what microbes are.
- Being able to describe what bacterial and viral diseases are.
- Being able to briefly explain how a person's internal and external defenses work.
- Knowing how vaccines work.
- Many microbes, or microscopically small organisms, are pathogens.
- Bacteria and viruses are common pathogens.
- Skin and mucous membranes prevent pathogens from entering our bodies.
- White blood cells destroy pathogens that have entered the body.
- Vaccinations can protect against some diseases caused by bacteria and viruses.
- Malaria is an example of a disease caused by a protozoan.
- Keywords: microbial, parasite, skin, mucous membrane, white blood cell, inflammatory reaction, vaccination, virus, bacterium.
