The correct option is, i.e. Brain.
- Hypothalamus-
- The Hypothalamus is a part of Brain that plays a crucial role in many important functions of the Human Body.
- The hypothalamus is located below the thalamus in the brain.
- The hormones from the hypothalamus govern physiological functions such as temperature regulation, thirst, hunger, sleep, mood, and the release of other hormones within the body.
- Hypothalamus regulates the pituitary gland.




