The yellowish fluid "colostrum" secreted by mammary glands of the mother during the initial days of lactation has abundant antibodies $(IgA)$ to protect the infant. This type of immunity is called:

  • A
    Autoimmunity
  • B
    Passive immunity
  • C
    Active immunity
  • D
    Acquired immunity

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Which soluble molecules are included in the human immune system?

Which factor is responsible for autoimmunity?

Perforin is secreted by which of the following cells to prevent the effect of microbes?

What is the immune response mediated by antibodies known as?

Transfer of antibodies from mother to infant through colostrum after birth provides . . . . . . to the baby.

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