Question

Which of these has a role in immunity?

• A. Pineal gland
• B. Thymus
• C. Adrenal gland
• D. Parathyroid gland

Answer 1

The correct option is B Thymus

Thymus gland is associated with the development of immune system and present on the dorsal side of heart. It contains lymphoid tissue that plays an important role in proliferation and maturation of T-lymphocytes. It secretes thymosin hormone which plays an important role in the differentiation of T-lymphocytes which are associated with cell mediated immunity. Thymosin also promotes formation of antibodies for humoral immunity.

So, the correct answer is 'Thymus'.