KA5 Non-specific Defences

Question 1

Non-specific body defences

Answer 1

Defend body against entry of all types of microorganism
Physical and chemical defences
The inflammatory response
Phagocytes

Question 2

Pathogen

Answer 2

A bacterium, virus or other organism that can cause disease

Question 3

Lymphocytes

Answer 3

Produce antibodies which bind to and destroy a specific pathogen

Question 4

Cells in mucous membranes

Answer 4

secrete sticky mucus which traps microorganisms

Question 5

Epithelial cells lining the trachea

Answer 5

ciliates and sweep the mucus and trapped microbes up and away from the lungs
acid secreted by cells in the epithelial lining of stomach destroy many microbes swallowed