Immunity Flashcards
(5 cards)
1
Q
Describe how antibodies work
A
Antibodies are specific to a virus/pathogen.
Antibodies stick to virus/pathogen and destroy it.
2
Q
What are antibodies?
A
Proteins
3
Q
What do lymphocytes do?
A
Lymphocytes produce antibodies which are specific to a pathogen. Antibodies stick to the pathogen and kill it. Lymphocytes also create memory cells which provide immunity against future pathogens.
4
Q
What do phagocytes do?
A
Phagocytes engulf and digest pathogens, defending the body against pathogens.
5
Q
Explain how a vaccine works
A
Inactive virus
Antigens in vaccine
Lymphocytes recognise antigens
Memory cells created
Antibodies are made sooner when virus encountered again
