Question

Which structure of the lymphatic system functions as the site of development of T lymphocytes during childhood and the preteen years, but is replaced by fat as an individual grows older?

thymus
bone marrow
spleen
adenoids

Answer 1

Thymus

Step-by-step explanation:

I don't actually know so I'm sorry if it is wrong

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Answer 2

Answer: thymus

Explanation: T cells adapt in the immune system just like the thymus