The brain is your body's control center. It processes information to and from your senses, and manages vital involuntary actions like breathing and keeping a regular heart rate. When the brain becomes impaired by alcohol, it's functions become slowed down.
The central nervous system is made up of your brain and spinal cord; this system helps control many activities in the body, like digestion and movement. When impaired my alcohol, the central nervous system has a harder.
The cerebral cortex is divided into four lobes. The frontal lobe is responsible for decision making, and when impaired by alcohol, it can become difficult for people to think clearly and make good decisions.
The hippocampus is part of the limbic system. The hippocampus processes and categorizes memories. When impaired by alcohol, the function of the hippocampus begins to falter and it becomes harder for the brain the make memories.
The hypothalamus controls body temperature, thirst, hunger and other bodily functions. When impaired by alcohol, the hypothalamus has a harder time receiving messages from the body, which can create hormone imbalances, leading to discomfort, headaches, and more.
The medulla is the leader of our cardiac and respiratory systems, controlling vital, life-sustaining functions, like breathing, swallowing, and more. When impaired by alcohol, those functions can become comprised, leading to alcohol poisoning and potentially even death.