NEETZoologyChemical Coordination and Integration
What is the function of the thymus gland?
Options
- ASecretion of insulin
- BDevelopment of immune system
- CRegulation of blood pressure
- DSecretion of thyroid hormones
Correct answer
B. Development of immune system
Step-by-step solution
The thymus gland is a lobular structure located between lungs behind sternum on the ventral side of aorta. The thymus plays a major role in the development of the immune system. This gland secretes the peptide hormones called thymosins. Thymosins play a major role in the differentiation of T-lymphocytes, which provide cell-mediated immunity. In addition, thymosins also promote production of antibodies to provide humoral immunity. Thymus is degenerated in old individuals resulting in a decreased production of thymos