The Defence System

Question 1

Pathogen

Answer 1

A microorganism that causes disease

Question 2

Immunity

Answer 2

The ability to resist infection

Question 3

Antibody

Answer 3

A protein made by a lymphocyte in response to an antigen

Question 4

Antigen

Answer 4

Any foreign molecule capable of triggering an antibody response.

Question 5

Monocyte

Answer 5

Phagocytic white blood cells that engulf and digest pathogens

Question 6

Phagocytosis

Answer 6

When a monocyte engulfs a pathogen invader

Question 7

Lymphocyte

Answer 7

Make antibodies - stored in lymphatic system

Question 8

Induced Immunity

Answer 8

An immune response triggered by the production of antibodies

Question 9

Passive Immunity

Answer 9

Antibodies we get from birth, in the womb/from mothers breast milk. Provides short-term protection.

Question 10

Active Immunity

Answer 10

Antibodies that are produced after an infection or vaccination. Provides long-lasting protection.

Question 11

Vaccine

Answer 11

A non-living dose of the pathogen that is injected into the body. Triggers an antibody response but doesn’t cause the disease.