The main theme is to restore harmony to the body. The belief lies in that all of creation is composed of two properties, opposite from each other, yet interdependent on each others balance. These components of creation are called Yin and Yang. Yin refers to the histological structures and Yang is the functional activities. Qi gives us the ability to move around and use our senses.
Moisture is the liquid that fuels our tissues.
And blood is the matter that creates our bones and organs. Even though emotions cannot be measured, the Chinese believe there is a close link to physiology. The internal organs of the body are divided into Zang and Fu organs. Zang being of primary importance, as they coordinate with Fu organs to form the system of the five Zang. It stores the blood and guards the flow of Qi.