Which endocrine gland regulates immune system development? a. thymus gland b. pancreas c. pineal gland d. adrenal gland select the best answer from the choices provided a b c d?

The correct answer is option A, thymus gland

Reason -

The thymus gland is responsible for producing T-cell for the immune system. It is usually active till puberty and then it is replaced as it shrinks down. Though this gland has a short life but it plays a major role in developing the immunity system. For instance if someone has born without a thymus gland , then the person’s body will  never be able to produce T –cell or thymosin which is very essential for the immunity system development.

a- multicellular

b-eukaryotic

c-no cell wall

d-heterotrophic

e-autotrophic