immune system Flashcards
1
Q
what are natural barriers to reduce the risk of infection?
A
- skin
- blood clotting
- phagocytosis to destroy invading microbes
2
Q
cell mediated response
A
Detection of the corresponding specific antigen causes a production of T lymphocytes
cell-mediated defences include the activation of phagocytes
activation of B cells involves the release of various chemicals in response to an antigen
3
Q
humoral response
A
B lymphocytes have receptors which detect specific antigens
antigen-antibody complex
engulfment of phagocytes
