Answer :
Answer: D. regulate the thalamus
Explanation:
The most important functions of the hypothalamus is to link the nervous system to the endocrine system by way of the pituitary gland. It's located at the base of the brain, near the pituitary gland. The hypothalamus is located below the thalamus and it's very small . The hypothalamus plays a crucial role in many important functions and is responsible for the regulation of certain functions including: releasing hormones and regulating body temperature.Regulating the thalamus is not a function of the hypothalamus.