The thymus gland:
AIs large at birth, decreases in size with age, and is reduced to a small size by puberty — site of T-cell maturation
BIs the largest secondary lymphoid organ
CIs found in the abdomen
DGrows continuously throughout life
Answer & Solution
Correct answer: A. Is large at birth, decreases in size with age, and is reduced to a small size by puberty — site of T-cell maturation
**Thymus**: large at birth, regresses with age (involution), small after puberty. Site of **T-lymphocyte maturation** alongside bone marrow. Located near the heart, beneath the breastbone.
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