Hormone melatonin is secreted by

The hormone melatonin which regulates sleep and wake cycle is secreted by ……………

Melatonin is secreted by……….which is located at ………..

Melatonin is secreted by……….which is located at ………..

Assertion (A) : Melatonin is secreted at night Reason ® : Light falling on the ratina of eyes decreases melatonin production.

Adrenocorticotrophic hormone secretion is regulated by:

The hormone testosterone in testes is secreted by