Which requires a host cell in order to reproduce?

Which type of pathogen is responsible for causing the flu, chicken pox, and yellow fever?

Which pathogen is treated with antibiotics?

What is the smallest pathogen?

Bacteria is bigger than virus.

Ignaz Semmelweis is known for

Name the group of cells in your blood that is involved in destroying pathogens.

What is on the surface of pathogens that allows white blood cells to detect and recognise them?

What are produced by white blood cells to neutralise poisons released by pathogens?

What is the name of the proteins that are made to fight of pathogens. They can be produced quickly when the pathogen enters the body a second time.

The image shows the processes in the immune system, namely...

Name the acid in your stomach that can destroy pathogens.

Which feature does your nose have to prevent pathogens from entering the body?

What process is being shown in the diagram?

Vaccines contain weakened or dead parts of antigens. 

Vaccines work because the immune system saves the information in the:

The vaccines trigger the immune system creating specific ______________ for the pathogen.

MMR vaccine protects against