Answer:
b. hypothalamus
Explanation:
The hypothalamus is a small portion at the center of the brain that is formed by several nuclear bodies. The hypothalamus is the part of the brain that links the nervous system to the endocrine system. The hypothalamus is responsible for important functions such as release of hormones, homeostasis, controlling appetite, sexual behavior, controlling emotion.
Several factors can impair the proper functions of the hypothalamus, they include infection, head trauma as well as brain tumors.
Elaina’s brain tumor most likely must have affected the functioning of the hypothalamus.
