Explanation:

- The hind-brain is a critical part of the brain involved in regulating vital bodily functions.

- Pons: This area acts as a bridge between various parts of the nervous system and is located in the hind-brain.

- Medulla: Located below the pons, it controls autonomic functions such as breathing and heart rate, and is part of the hind-brain.

- Cerebellum: Found at the back of the skull, it's responsible for coordinating movement and balance, and is part of the hind-brain.

- Hypothalamus: Found in the fore-brain, it controls a variety of essential functions such as hunger, thirst, and body temperature regulation.

- Correct Answer: Hypothalamus (The Hypothalamus is NOT part of the hind-brain.)

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