Human Infection and Response- Resistance

Question 1

What do painkillers do?

Answer 1

They treat symptoms but won’t kill the pathogens.

Question 2

What are the 2 types of white blood cells?

Answer 2

T-lymphocytes (T-Cells)
B-lymphocytes ( Memory cells)

Question 3

What are antigens?

Answer 3

Proteins that are found on pathogens. They are recognised by the immune system as being foreign.

Question 4

What are antibodies?

Answer 4

Proteins produced by B-cells, they work by binding onto antigens on pathogens.

Question 5

An …….. can only bind onto the anti… that caused it be produced.

Answer 5

An antibody can only bind onto the antigen that caused it be produced.

Question 6

When a …….. enters our body, they ………, sending a signal to … The … send .-cells and.-cells to attack the …….. After this, the ..-cells form into …… cells.

Answer 6

When a pathogen enters our body, they reproduce, sending a signal to WBC. The WBC send T-cells and B-cells to attack the pathogen After this, the B-cells form into memory cells.

Question 7

What do T-cells do?

Answer 7

Recognise antigens on pathogens and will either attack them or co-ordinate the activity of other cells.

Question 8

What do B-cells do?

Answer 8

Recognise antigens and produce antibodies to destroy them.