Fighting Disease

Question 1

What are the two types of pathogen?

Answer 1

Bacteria and viruses

Question 2

How can bacteria make you feel ill?

Answer 2

Damages your cells

Produces toxins

Question 3

How do viruses make you feel ill?

Answer 3

Replicate themselves by invading your cells
Cell machinery to produce many copies of themselves
Cell then bursts realising new viruses

Question 4

What are the 3 things in your breathing pipe which protect from horrible things coming into your body

Answer 4

Skin
Hair
Mucus

Question 5

To prevent Microorganisms getting into your body though cuts what happens?

Answer 5

Small fragments of cells called platelets help blood clot quickly to seal wounds

Question 6

If a mircroorganism causing disease gets though your WBC come and save the day, what are the 3 things that they can do?

Answer 6

Consume them
Produce antibodies
Produce antitoxins

Question 7

When a WBC comes and consumes an invading micro-organism what does it do?

Answer 7

Engulf foreign in cells and digest them

Question 8

Explain how and what WBC do when producting antibodies?

Answer 8

WBC detects a foreign cell
Will then start to produce antibodies which lock on and kill invading cells
Antibodies are produced rapidly and kill the bacteria or virus

Question 9

What happens when WBC produce antitoxins

Answer 9

The WBCs toxins counteract with the toxins produced but invading cells

Question 10

What are pathogens?

Answer 10

Microorganisms which enter the body and cause disease