Immune system Flashcards

(2 cards)

1
Q

Pathogens

A

A foreign invader, such as bacteria or viruses.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Antigen

A

Any substance that causes an immune response.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly