C184 Moment of Life and Death
Normal people's "Qi", in any part of the body, is in the state of flow.
To be understood by an easy-to-imagine object was similar to blood, except that the levels were different.
When "Qi" appears "abnormal state", the human body will appear corresponding problems. For example, it becomes disorderly in a certain place, or it may be in the wrong path, or it may have an abnormal flow rhythm