| (1) | Connecting all parts of the body as a whole: Zang-Fu organs and limbs; Zang-Fu and sense organs; Zang-Fu and Zang-Fu; Jing-Luo and Jing-Luo. |
| (2) | Transporting Qi and blood to nourish organs and tissues, and resisting pathogens to protect the body. |
| (3) | Sensing and transmitting stimulation (such as needling) to balance Yin and Yang. |
