Unit 1-1.5-Defence mechanisms Flashcards
1
Q
What prevents pathogens entering the body?
A
The skin prevents pathogens getting in the body.
2
Q
How are pathogens also killed?
A
Pathogens are also trapped by mucus and killed by stomach acid.
3
Q
What B.F.G cell is in the immune system?
A
White blood cells are part of the immune system.
4
Q
What 3 things do this B.F.G cell do?
A
They can ingest pathogens. This means they digest and destroy them.
They produce antibodies to help destroy particular pathogens.
They produce antitoxins to counteract the toxins that pathogens produce.
