The immune system keeps the organism from falling ill.
Defends the body after it has been invaded by a microscopic organism
immune system
No. It is a single belled organism
The propose of vaccination is to trigger the immune system and help it recognize a disease organism.
no immune response.
Vaccines do not prevent infection. Vaccines prepare the immune system to fight infection by allowing the immune system to produce antibodies to a specific invading organism, kill it, and remember it in the future. In vaccines, this organism is often weakened or dead. If the invading organism is found by the immune system in the future following immunization, the immune system remembers it and produces the specific antibodies needed to kill it quickly.
By presenting small pieces of the organism on their surface
Antigens are majorly organic molecules which are not familiar to the organism itself. and starts immune response.
"Not immune" refers to a state where an individual or organism does not possess immunity against a particular disease or infection. This means they are susceptible to contracting the illness because their immune system has not developed the necessary defenses, either through previous exposure or vaccination. As a result, they may experience symptoms if exposed to the pathogen.
The organism is multiplying in the bloodstream, unchecked by the immune system.
Antibody
Antibody