Year 9 Science - Immune System: Revision

Define and the term "disease”

A condition where normal bodily functions fail to

function properly (excluding physical injury).

What’s the difference between an infectious and a non-infectious disease? Give 2 examples of each type.

What is a pathogen

List all 6 pathogens and whether they are cellular(living) or non-cellular(non-living).

List 6 pathogens

List 6 pathogens and their characteristics

Provide an example of a disease cause

How does bacteria reproduce?

Explain the process a virus undertakes: from infecting one cell to infecting many cells

attachment, entry, replication, assembly & release

What is a vector? Give examples

What is a parasite?

Are all viruses, bacteria, fungi, protozoa, and invertebrates pathogenic? If not, list which pathogens are.

How do infectious diseases spread?

What does pandemic mean?

What does epidemic mean?

List the methods that can stop infectious diseases from spreading

Explain the first line of defence. What’s its role and is it specific or non-specific?

Explain the seccond line of defence. What’s its role and is it specific or non-specific?

Explain the third line of defence. What’s its role and is it specific or non-specific?

What are the three lines of defence? What’s their role and are they specific or non-specific?

What are the cells in the 2nd line of defence? What are their functions?

phagocytes & their functions

What are the cells in the 3rd line of defence? What are their functions?

b-cells nd t-cells nd their funcitions

What’s the difference between active and passive immunity? How are they aquired?

What is active immunity? How is it aquired?

What is passive immunity? How is it aquired?

How to vaccines work?

What is a disinfectant?

What is an antibiotic and what does it fight against?

Are all antibiotics and disinfectants equally effective against all bacteria?

What do antibiotics fight against?

DEFINE: antibodies

DEFINE: Phacocytes

DEFINE: Pandemic

DEFINE: Vector

DEFINE: Microbe

DEFINE: Antibiotic

DEFINE: Antibiotic

DEFINE: Macroscopic

DEFINE: Parasite

DEFINE: Epidemic

DEFINE: Disease

DEFINE: Binary fission

DEFINE: Infectious disease

DEFINE: contagious

DEFINE: immunisation

DEFINE: non-infectious diease

DEFINE:

DEFINE: