Below are some useful videos and a knowledge organiser for revising the B3 biology topic on Infection and Response.
Bitesize GCSE Biology
Bitesize Combined Science
Infectious Disease
Bacteria and Viruses
Fungi and Protists
Human Defence Systems
Vaccination
Development of Drugs
Resources for use in school (not YouTube)
Questions which are aimed at Grades 1-4
Questions which are aimed at -Grades 7-9