Immunity part 2 Flashcards
1
Q
What is the name of the cells in our body that fight infection?
A
White blood cells.
2
Q
Some white blood cells engulf pathogens. How do they kill the pathogen?
A
They produce chemicals that digest the pathogen.
3
Q
Pathogens have structures on their surface called a_ _ _ _ _ _ _.
A
Antigens
4
Q
Some white blood cells release chemicals called a_ _ _ _ _ _ _ _ _ that are specific to the antigens a pathogen.
A
Antibodies
5
Q
Our body produces a d_ _ _ _ _ _ _ _ antibody for each pathogen.
A
Different
6
Q
Describe what happens if the same pathogen returns?
A
Memory cells quickly produce the same antibody.
7
Q
Why do less people die of infections these days?
A
We have medicines (that contain antimicrobials)
