The hypothalamus is a part of the ___________.
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → Brain
The hypothalamus is a small part of the forebrain, lying at the base of the brain just above the pituitary gland. It controls body temperature, hunger, thirst and sleep, and it releases the hormones that control the pituitary gland, linking the nervous system with the endocrine system.