In Humans, the Immune System Is Relatively Undeveloped at Birth

question 58

Essay

In humans, the immune system is relatively undeveloped at birth, and immunocompetence (ability to mount an immune response) develops thereafter, yet newborns have circulating antibodies. Where do these come from? Is the post-natal development of the immune system an advantage or disadvantage? Why or why not?

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Definitions:

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