The key aspect in the mind-body problem is as follows: the idea is to explain how processes are related to physical states. What is necessary to keep in mind is that the mind is a non-physical entity while our body is, in fact, a physical entity.
As soon as you start learning more about the subject in question, you realize that there are two main approaches to the problem. The first one is called a dualist approach while the second one is referred to as a monist approach. Speaking about the dualist approach, its advocates state that there is a distinction between the mind and the matter. The main idea of monism is that there is one unifying reality. Therefore, everything can be explained with the help of it.
You will obviously need to learn more about this issue as well as to familiarize yourself with some examples so that to understand the subject in question better. Feel free to take a look at all available materials regarding the issue under consideration here …