Science, asked by bavanyaa7, 11 months ago

what is natural and acquired immune system

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Answered by Fixaa
1
Naturally acquired. Maternal passive immunity is a type of naturallyacquired passive immunity, and refers to antibody-mediated immunityconveyed to a fetus or infant by its mother. ... In humans, maternal antibodies (MatAb) are passed through the placenta to the fetus by an FcRn receptor on placental cells.

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