One of the following diseases, where the thymus produced lymphocytes decreases to less than half is

Which one of the following is true for T-lymphocytes?

Which one of the following is true for T-lymphocytes?

RQ is less than one for

RQ is less than one for

RQ is less than one for

RQ is less than one for

Name the following: Name the mirror which produces magnification always less than 1.

Give the reason for the following statements : Degeneration of thymus in old age casues decreased immunity.