The Immune Response

Question 1

What happens when microorganisms get into your body?

Answer 1

The Immune System is activated

Question 2

What is a white blood cell?

Answer 2

White blood cells, also called leukocytes, are an integral part of the immune system.

Question 3

How many types of white blood cells play in a major role of responding to the Immune System?

Answer 3

There are two types

Question 4

What is the first type of white blood cell?

Answer 4

One type is activated when any microorganism gets into the body;

• Microorganisms invade the body
• The white blood cells finds the microorganism and engulfs them
• The white blood cell ingests the microorganisms
• The microorganisms have been digested and destroyed

Question 5

What is the second type of white blood cell?

Answer 5

The other type of white blood cell makes antibodies;

• Antigens are markers on the surface of microorganisms
• The white blood cells become sensitised to the antigens and produce antibodies
• the antibodies then lock onto the antigens
• This causes the microorganisms to clump together, so that other white blood cells can digest them.

Question 6

What is an antibody?

Answer 6

A blood protein produced in response to and counteracting a specific antigen.