I believe the answer is: Hypothalamus.
<span>the hypothalamus in our brain is functioned to produces various type of humans that reguate's our body's activies.
Damages in hypothalamus could caused several biological irregularities, such as unable to feel thirst or hunger, unable to feel pain, feel a certain type of emotion, etc.</span><span />
D. It is a direct quote and cited correctly
Thanks whoever you are hope you have one too