Pathogens
One-celled microorganisms
What is bacteria?
3rd line of defense that is triggers by fever or sever inflammation. Produces active immunity
What is the immune response?
work to identify disease
What are lymphocytes?
Contains dead or weakened pathogens
What is a vaccine?
What are pathogens?
Part of the inflammatory response, stops pathogens from growing
What is a fever?
Marker molecules on pathogens
What are antigens?
Immunity when someone is given antibodies and only lasts a few months
What is passive immunity?
the four types of pathogens
What are bacteria, viruses, fungi, and protists?
trap and remove pathogens in breathing passages
What is the function of mucus and cilia?
A type of cell that produces antibodies
What is a B cell?
A chemical that kills bacteria or slows their growth
What are antibiotics?
tiny particles that cause disease, smaller than bacteria
What are viruses?
Trigger the general response
What do injured body cells do?
White blood cells that engulf pathogens
What are phagocytes?
Results when a person is vaccinated or the immune response is activated
What is active immunity?