Unformatted text preview: 4. An important defense against diseases in weltehrate animals is the ability to eliminate... inactivate, or destroyr
foreign substances and organisms. Explain how the inunune system achieves THREE of the following: 1! Besides an immediate nonspeciﬁc immune response
1 Activates T and B cells in response to an infection o Responds to a later exposure to the same infectious agent
I Distinguishes self from nonself ...
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