Defences and immune response Flashcards
1
Q
what are the body’s defences?
A
- skin,
- white blood cells,
- mucus in nose
- acids
- enzymes kill pathogens
2
Q
What are plants defences?
A
- cell wall
- waxy cuticle
- bark barriers
- poison/thorns
3
Q
what are lymphocytes?
A
- type of white blood cell
- produce antitoxins to neutralize toxins made by pathogens
- stop viruses from infecting cells
4
Q
what does a vaccine do?
A
introduce dead/inactive versions of a virus into your body so you gain immunity without becoming ill
