Immune System Flashcards
1
Q
How pathogen entry is prevented:
A
- Skin acts as a barrier
- hydrochloric acid destroys in stomach
- Tears, eye lashes, nose hair trap
2
Q
Types of white blood cell
A
- Phagocyctes
- Lymphocytes
3
Q
Phagocytes
A
Phagocytes engulf/ingest pathogens by enclosing them inside the vacuole and secrete digestive enzymes to destroy pathogen.
4
Q
Lymphocytes
A
Recognises the antigen on the pathogen and secretes antibodies to destroy the pathogen.