Question
Thymus.### Functions of Thymosin.

Answer

  1. Thymus is located on the dorsal side of the heart and the aorta.
  2. It consists of many lobules.
  3. The thymus plays major role in the development of the immune system.
  4. Thymus secretes thymosin which plays an important role in the differentiation of T-lymphocytes. These cells built cell mediated immunity.
  5. The thymosin also promotes the production of antibodies providing humoral immunity.
  6. The degeneration of thymus gland occur in old individuals leading to decreased production of thymosin thereby weakening of immune response.

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