| 1 | Fourth, body fluid is a carrier of qi. | |
| 2 | Qi cannot exist without body fluid. | |
| 3 | What's body fluid deficiency, try to narrate its cause and clinical manifestation. | |
| 4 | Blood and body fluid are liquids and, what's more, they both perform the nourishing and moistening functions. | |
| 5 | Qi, blood and body fluid are the basic substances for maintaining life activities. |