Microbes And Diseases. Flashcards
What does epidemic mean?
Epidemic means a disease that spreads in a community or villiage.
Name some diseases that can be caught by other people.
Common cold, german measles, mumps, chicken pox.
What does endemic mean?
Endemic means a worldwide sickness that can be spread easily.
How do infectious diseases spread?
From person to person In water From animals Through the air In soil
Why doesn’t fresh food stay fresh for long?
Because microorganisms are around them.
Name two different methods if treating food from microorganisms.
Heat treatment - canning, sterilizing
Cold treatment- fridges and freezers
What is immunity?
Immunity is the bodys ability to fight off harmful micro organisms/ pathogens that invade it.
What does the immune system do?
The immune system produces antibodies or cells that can de - activate pathogens.
What are pathogens?
They are micro-organisms that cause diseases
What are microorganisms?
They are harmful cells that can cause disease.
What are the three shapes that bacteria can be?
Rods, spirals and spheres
Wa are antibiotics?
They are substances that are produced by microorganisms that kill other types of disease causing bacteria or preventing them from ,multiplying
What are the signs of an infection?
Headaches, sore throat, a rash
Examples of pathogens
Amoeba, bacteria, fungi and parasites
What is the name of the only infectious protein?
Prion
