Final answer:
The part of the brain that controls hunger and satiety is the Hypothalamus.
Step-by-step explanation:
The part of the brain that controls hunger and satiety is the Hypothalamus. The hypothalamus is a region of the brain located below the thalamus and plays a crucial role in regulating many bodily functions, including appetite and energy balance. It receives signals from the digestive system and releases hormones to stimulate or suppress hunger.