Diease and immunity Flashcards
1
Q
immunity
A
the ability to defend against a disease
2
Q
general defence system
A
skin, hydrochloric acid, hair and mucus (cellia)
3
Q
second line of defence
A
phagocytes (white blood cells)
4
Q
third line of defence
A
Lymphocytes
5
Q
phagocytes
A
white blood cells that engulf and digest harmful viruses & bacteria
6
Q
lymphocytes
A
attacks body cells which have an antigen, this pathogen exists inside the cell and, and they also produce antibodies
7
Q
antigens
A
they cause anti bodies to be produced
8
Q
Active immunity
A
the body produced its own anti bodies in response to an antigen
9
Q
Passive immunity
A
the person is given antibodies that have been produced in another organism ie. breast feeding
