immune system Flashcards
1
Q
what do mast cells release to dialte red blood cells?
A
histamine
2
Q
name the job of the cytoxic c cell
A
to destroy cells that have been infected by the pathogen
3
Q
term for when cytoxic c cells make the infected cell destruct
A
apoptosis
4
Q
what triggers a cytoxic c cell?
A
antigens or helper t cells
5
Q
what is an antigen?
A
a protein found on pathogens, what the body considers as foreign
6
Q
what do b cells produce?
A
antibodies, provide a targeted response and deactivate the pathogen’s antigen, they are specific for each antigen
7
Q
why does the immune system need memory cells?
A
they provide ‘memories’ of antigens they are exposed to so they know how to defend themselves next time
8
Q
what do cytotoxic c cells produce for apoptosis to happen?
A
perforin
