Answer:
The answer is B
Explanation:
The thymus secretes thymosin, which is necessary for T cell production. Therefore, if the thymus were damaged, there would be a lower number of T cells in the blood
Compounds are <span>Anything made by combining several things. 2 or more separate elements.
Mixtures are </span>Something produced by mixing. Something that consists of diverse elements
My guess would be D. Cromatids, and Centromere.
There is no answer ,you wrote the answers with the question
