1.
Physical barrier surrounding the body
2.
Internal hairs which block movement of debris and pathogens
3.
Physical barrier which ejects the pathogen from the respiratory system
4.
Sticky barrier (usually produced when you have a cold) which blocks invading pathogens
5.
Chemical barrier produced in the mouth which destroys pathogens with enzymes
6.
A disease causing organism or material
7.
A marker on the surface of a pathogen which tells the immune system non-self
8.
A response in the 2nd line, which causes redness, swelling, heat and pain
9.
A white blood cell which non-specifically engulfs invading pathogens
10.
The type of immune rseponse in the 1st and 2nd lines of defence
11.
The stored lymphocyte which creates immunity in the future
12.
White blood cell involved in the 3rd line of defence - specific attack on particular antigens
13.
Type of lymphocyte which produces antibodies
14.
A protein made for a specific pathogen which targets it for destruction
15.
Type of lymphocyte which attacks infected cells of the body
