GCSE Biology 2020-2022 OCR Gateway: When does the Immune System, and what Part of the Immune System is the most Important for dealing with Pathogens

Question

When does the Immune System, and what Part of the Immune System is the most Important for dealing with Pathogens

eric_galvao · Accepted Answer

-When the Pathogen gets into the Body, the Immune System will Intervene 
-White Blood Cells, in your Blood, will be the Most Relevant.

When does the Immune System, and what Part of the Immune System is the most Important for dealing with Pathogens