A pathogen is an organism or virus that causes a disease.
They can be:
4. Test to see if you are infected using iodine.
Brown = uninfected, BLUE/BLACK = INFECTED
5. Think about how this relates to pathogen transmission (i.e. spread of disease).
Transmission is where a pathogen is transferred from one organism to another.
The seven methods of transmission can be found below:
Our bodies defence against infection is called the immune system. Leucocytes are the cells which recognise pathogens and fight against them.
There are two main type of white blood cell that work in 2 separate ways to attack infections in our bodies.
Piece the pictures into the correct order and add a caption to explain what is happening. Try to use scientific terms where possible.
Words you should use are:
Use the Crafts available to make a stop-gap animation or visual presentation about our immune systems.
You must include: