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Immune System Functions
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Health & Wellness
HW.127 Immune System Functions
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Which final summary best answers how barriers, immune responses, and memory work together to protect the body?
A
Memory is the first defense because it blocks every germ before contact.
B
Barriers, immune responses, and memory are separate topics that do not affect one another.
C
Immune responses begin only after memory cells have already stopped all germs.
D
Barriers reduce the chance that germs enter, immune responses handle germs that get through, and memory improves future responses to familiar targets.
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