protects us incase the same pathogen invades us again in future
What are the functions of white blood cells in the immune system?
they ingest and destroy pathogens
detects chemicals released from the pathogens and moves towards it and ingests the pathogens
uses enzymes to destroy the pathogen
What is the process of white blood cells killing pathogens called ?
Phagocytosis
What are antibodies ?
protein molecules produced by white blood cells
What is the process of antibodies?
they stick to pathogens,triggering the pathogens to be destroyed
What are the key factors of antibodies ?
they are extremely specific,if someone catches measles they will make antibodies for measles ,they'll only protect against measles not any other pathogens
they can remain in the blood for a long time,that can protect us incase we get infected again by the same pathogen
What are antitoxins ?
they stick to toxin molecules and prevent them from damaging cells
