Immunity Introduction

Question 1

What is the immune system?

Answer 1

System designed to protect body from infection or disease

Question 2

What are pathogens?

Answer 2

Foreign agent that causes disease

Eg: Viruses, bacteria, fungi, protozoans, etc.

Question 3

How many levels of defense does our immunity have?

Answer 3

3 levels of Defence

Question 4

State the 3 types of defences

Answer 4

• First line of defence
• Second line of defence
• Third line of defence

Question 5

What does innate mean?

Answer 5

Natural and non-specific

Question 6

Which defence systems are innate?

Answer 6

First and Second