The correct answer is option 2: Human body.

A good conductor of electricity is a material that allows electric current to flow through it easily. In this case, the human body is a good conductor of electricity. When a person comes into contact with an electric current, such as touching a live wire, the electricity can flow through the body and cause electrocution. The human body is made up of mostly water and electrolytes, which are substances that can conduct electricity. This is why it is important to be cautious around electrical equipment and to avoid contact with open electrical circuits.

Alert - correct answer should be Glass.