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Which of the following might explain why most people are sick more often as children than as adults

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Which of the following might explain why most people are sick more often as children than as adults

Which of the following might explain why most people are sick more often as children than as adults in their 20s through 50s?
A) The immune system does not appear until the preteen years.
B) We build up many varieties of memory lymphocytes during childhood, providing immunity to more and more antigens during adulthood.
C) The thymus is so active in children that it fights bacteria so hard that it produces strong symptoms of disease.
D) Because of their small size, children's bodies cannot contain as much lymphoid tissue as those of adults.

Textbook

Human Anatomy

Edition: 7^th

Authors: Marieb, Wilhelm, Mallatt

Read 139 times

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snowhite Author

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8 years ago

I really appreciate your help!

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WideEyes

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8 years ago

Good luck on your exam, snowhite!

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