Immunity Introduction Flashcards
1
Q
What is the immune system?
A
System designed to protect body from infection or disease
2
Q
What are pathogens?
A
Foreign agent that causes disease
Eg: Viruses, bacteria, fungi, protozoans, etc.
3
Q
How many levels of defense does our immunity have?
A
3 levels of Defence
4
Q
State the 3 types of defences
A
- First line of defence
- Second line of defence
- Third line of defence
5
Q
What does innate mean?
A
Natural and non-specific
6
Q
Which defence systems are innate?
A
First and Second
