The human brain is the main target of alcohol effects on the body. Many parts of the brain get affected including the medulla and the cerebellum. Alcohol works like a switch that enhances or blocks the communication lines of the human brain. However, it is important to note that alcohol affects various brain systems.
The Hippocampus is one area in the brain responsible for short-term and long-term memory. The human brain function gets damaged by alcohol, mainly preventing the key processes happening in the hippocampus. Therefore, the answer is c) Hippocampus.