Answer:
Because of B cells/memory cells
Explanation:
B cells bind with antigens. T cells stimulate the B cell to grow and divide rapidly. This division produces two types of B cells: plasma cells and memory B cells.
Plasma cells produce and release antibodies into the bloodstream to be carried throughout the body. Antibodies than bind to more antigens in the system, signaling attack and destruction of the invading pathogen.
Memory B cells remain in the system to provide a more rapid response if the same type of pathogen ever invades again.
The statement is not true because the immune system can combat pathogens it has encountered before. This can further be justified in the explanation below.
The immune systems are the major system that provides resistance to any invading microorganisms in the body.
When the body is first exposed to the antigens of an invading microorganisms, the generate antibodies that binds and destroys them.
When B lymphocytes of the immune system has the ability to form memory cells that remember the same pathogen for faster antibody production in future infections.
Therefore, the immune system can combat pathogens it has encountered before through the memory B lymphocytes cells.
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